diff --git a/nfu_ecommerce/README.rst b/nfu_ecommerce/README.rst
index 68cbf26..1c8b81e 100644
--- a/nfu_ecommerce/README.rst
+++ b/nfu_ecommerce/README.rst
@@ -37,6 +37,7 @@ Changelog
 
 :0.0.1: Initial module.
 :1.0.0: Live
+:1.1.0: Add Open Packagings Filter and fix rounding issue
 
 Bug Tracker
 ===========
diff --git a/nfu_ecommerce/__manifest__.py b/nfu_ecommerce/__manifest__.py
index 12d756c..72f20fe 100644
--- a/nfu_ecommerce/__manifest__.py
+++ b/nfu_ecommerce/__manifest__.py
@@ -4,7 +4,7 @@
     "author": "BAKEUP",
     "website": "https://www.bakeup.org",
     "category": "website",
-    "version": "16.0.1.0.0",
+    "version": "16.0.1.1.0",
     "depends": ["website_sale", "nfu_sale_order_batch_packaging", "website_decimal_quantity"],
     "data": ["views/product_template_views.xml", "views/templates.xml"],
     "assets": {"web.assets_frontend": ["nfu_ecommerce/static/src/js/website_sale.js"]},
diff --git a/nfu_ecommerce/controllers/main.py b/nfu_ecommerce/controllers/main.py
index 6f80ec1..899585e 100644
--- a/nfu_ecommerce/controllers/main.py
+++ b/nfu_ecommerce/controllers/main.py
@@ -1,4 +1,5 @@
 from odoo import fields, http
+from odoo.http import request
 
 from odoo.addons.website_sale.controllers.main import WebsiteSale
 
@@ -10,3 +11,49 @@ class WebsiteSaleMinMax(WebsiteSale):
         product_uom_ordered_qty = fields.Float(ordered_qty)
         product_uom_max_qty = fields.Float(max_qty)
         return super().cart_update(*args, ordered_qty=product_uom_ordered_qty, max_qty=product_uom_max_qty, **kw)
+
+
+class WebsiteSale(WebsiteSale):
+    def _get_additional_shop_values(self, values):
+        new_values = super()._get_additional_shop_values(values)
+        new_values["open_packagings"] = True if request.httprequest.args.get("open_packagings") else False
+        return new_values
+
+    def _get_search_options(
+        self, category=None, attrib_values=None, pricelist=None, min_price=0.0, max_price=0.0, conversion_rate=1, **post
+    ):
+        res = super()._get_search_options(
+            category=category,
+            attrib_values=attrib_values,
+            pricelist=pricelist,
+            min_price=min_price,
+            max_price=max_price,
+            conversion_rate=conversion_rate,
+            **post
+        )
+        res["open_product_ids"] = post.get("open_product_ids")
+        return res
+
+    @http.route(
+        [
+            "/shop",
+            "/shop/page/<int:page>",
+            '/shop/category/<model("product.public.category"):category>',
+            '/shop/category/<model("product.public.category"):category>/page/<int:page>',
+        ],
+        type="http",
+        auth="public",
+        website=True,
+    )
+    def shop(self, page=0, category=None, search="", min_price=0.0, max_price=0.0, ppg=False, **post):
+        open_packages = bool(post.get("open_packagings"))
+        if open_packages:
+            batch = request.website.sale_get_order(force_create=True).batch_id
+            open_product_ids = (
+                batch.product_ids.filtered(lambda p: p.open_packaging_qty > 0).mapped("product_template_id").ids
+            )
+            post["open_product_ids"] = open_product_ids
+        else:
+            post["open_product_ids"] = None
+        res = super().shop(page=0, category=None, search="", min_price=0.0, max_price=0.0, ppg=False, **post)
+        return res
diff --git a/nfu_ecommerce/i18n/de.po b/nfu_ecommerce/i18n/de.po
new file mode 100644
index 0000000..d53d1a0
--- /dev/null
+++ b/nfu_ecommerce/i18n/de.po
@@ -0,0 +1,120 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+# 	* nfu_ecommerce
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 16.0\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2024-10-04 19:54+0000\n"
+"PO-Revision-Date: 2024-10-04 19:54+0000\n"
+"Last-Translator: \n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+msgid "<span>Max Qty</span>"
+msgstr "<span>Max Menge</span>"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+msgid "Add one"
+msgstr "Einen hinzufügen"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.o_wsale_offcanvas
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.products_open_packaging
+msgid "All Products"
+msgstr "Alle Produkte"
+
+#. module: nfu_ecommerce
+#: model:ir.model.fields,field_description:nfu_ecommerce.field_sale_order__balance
+msgid "Balance"
+msgstr "Guthaben"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.total
+msgid "Balance:"
+msgstr "Aktuelles Guthaben:"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_summary_packaging
+msgid "Max Ordered Quantity:"
+msgstr "Max Menge"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_summary_packaging
+msgid "Max Qty"
+msgstr "Max Menge:"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.total
+msgid "New balance:"
+msgstr "Neues Guthaben:"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+msgid "No open package available"
+msgstr "Keine offenen Gebinde"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_summary_packaging
+msgid "Open Package:"
+msgstr "Offenes Gebinde:"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.o_wsale_offcanvas
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.products_open_packaging
+msgid "Open Packagings"
+msgstr "Offene Gebinde"
+
+#. module: nfu_ecommerce
+#: model:ir.model.fields,field_description:nfu_ecommerce.field_sale_order_line__open_qty
+msgid "Open Qty"
+msgstr "Offene Menge"
+
+#. module: nfu_ecommerce
+#: model:ir.model,name:nfu_ecommerce.model_product_template
+msgid "Product"
+msgstr "Produkt"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.product_template_tree_view
+msgid "Publish on Website"
+msgstr "Veröffentlichen"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+msgid "Remove one"
+msgstr "Eins entfernen"
+
+#. module: nfu_ecommerce
+#: model:ir.model,name:nfu_ecommerce.model_sale_order
+msgid "Sales Order"
+msgstr "Verkaufsauftrag"
+
+#. module: nfu_ecommerce
+#: model:ir.model,name:nfu_ecommerce.model_sale_order_line
+msgid "Sales Order Line"
+msgstr "Verkaufsauftragszeile"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.product_template_tree_view
+msgid "Unpublish on Website"
+msgstr "Von Website entfernen"
+
+#. module: nfu_ecommerce
+#: model:ir.model.fields,field_description:nfu_ecommerce.field_sale_order__updated_balance
+msgid "Updated Balance"
+msgstr "Zukünftiges Guthaben"
+
+#. module: nfu_ecommerce
+#: model_terms:ir.ui.view,arch_db:nfu_ecommerce.cart_lines_packaging
+msgid "Warning"
+msgstr "Warnung"
diff --git a/nfu_ecommerce/models/product_template.py b/nfu_ecommerce/models/product_template.py
index b785776..9ea29dc 100644
--- a/nfu_ecommerce/models/product_template.py
+++ b/nfu_ecommerce/models/product_template.py
@@ -11,3 +11,11 @@ class ProductTemplate(models.Model):
     def action_unpublish_on_website(self):
         for product in self:
             product.is_published = False
+
+    def _search_get_detail(self, website, order, options):
+        search_details = super()._search_get_detail(website, order, options)
+        open_product_ids = options.get("open_product_ids")
+        domain = search_details["base_domain"]
+        if open_product_ids is not None:
+            domain.append([("id", "in", tuple(open_product_ids))])
+        return search_details
diff --git a/nfu_ecommerce/models/sale_order_line.py b/nfu_ecommerce/models/sale_order_line.py
index 4f952a8..31b6b3f 100644
--- a/nfu_ecommerce/models/sale_order_line.py
+++ b/nfu_ecommerce/models/sale_order_line.py
@@ -1,11 +1,23 @@
-from odoo import models
+from odoo import fields, models
+from odoo.tools import float_is_zero, float_round
 
 
 class SaleOrderLine(models.Model):
     _inherit = "sale.order.line"
 
-    def compute_open_packages(self):
-        self.ensure_one()
-        qty_of_last_pack = self.batch_uom_qty % self.product_packaging_id.qty
-        open_qty = self.product_packaging_id.qty - qty_of_last_pack
-        return open_qty
+    open_qty = fields.Float(compute="_compute_open_qty")
+
+    def _compute_open_qty(self):
+        for line in self:
+            if line.product_packaging_id:
+                precision_rounding = line.product_id.uom_id.rounding
+                precision_digits = len(str(precision_rounding).split(".")[1])
+                qty_of_last_pack = float_round(
+                    line.batch_uom_qty % line.product_packaging_id.qty, precision_rounding=precision_rounding
+                )
+                if not float_is_zero(qty_of_last_pack, precision_rounding=precision_rounding):
+                    line.open_qty = round(line.product_packaging_id.qty - qty_of_last_pack, precision_digits)
+                else:
+                    line.open_qty = 0.0
+            else:
+                line.open_qty = 0.0
diff --git a/nfu_ecommerce/readme/HISTORY.rst b/nfu_ecommerce/readme/HISTORY.rst
index e9a3e7c..5e4a8d0 100644
--- a/nfu_ecommerce/readme/HISTORY.rst
+++ b/nfu_ecommerce/readme/HISTORY.rst
@@ -1,2 +1,3 @@
 :0.0.1: Initial module.
-:1.0.0: Live
\ No newline at end of file
+:1.0.0: Live
+:1.1.0: Add Open Packagings Filter and fix rounding issue
\ No newline at end of file
diff --git a/nfu_ecommerce/static/description/index.html b/nfu_ecommerce/static/description/index.html
index 6d36996..2f4c5c6 100644
--- a/nfu_ecommerce/static/description/index.html
+++ b/nfu_ecommerce/static/description/index.html
@@ -397,6 +397,8 @@ and after the current order.</p>
 </tr>
 <tr class="field"><th class="field-name">1.0.0:</th><td class="field-body">Live</td>
 </tr>
+<tr class="field"><th class="field-name">1.1.0:</th><td class="field-body">Add Open Packagings Filter and fix rounding issue</td>
+</tr>
 </tbody>
 </table>
 </div>
diff --git a/nfu_ecommerce/views/templates.xml b/nfu_ecommerce/views/templates.xml
index 0b7b619..49342c2 100644
--- a/nfu_ecommerce/views/templates.xml
+++ b/nfu_ecommerce/views/templates.xml
@@ -1,10 +1,39 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
+
+    <template id="products_open_packaging" inherit_id="website_sale.products">
+        <xpath expr="//aside[@id='products_grid_before']/div[1]/div[1]" position="before">
+            <a t-att-href="keep('/shop',open_packagings = False if open_packagings else True)">
+                <h6 t-attf-class="o_packaging_collapse_title mb-3 {{_titleClasses}}"><b>
+                <span t-if="open_packagings">All Products</span>
+                <span t-else="">Open Packagings</span>
+                </b></h6>
+            </a>
+        </xpath>
+    </template>
+
+    <template id="o_wsale_offcanvas" name="Open Packagings" inherit_id="website_sale.o_wsale_offcanvas">
+        <xpath expr="//div[@id='o_wsale_offcanvas_content']/div[1]" position="before">
+        <div class="position-relative o_wsale_offcanvas_title px-4 border-top">
+            <a t-att-href="keep('/shop',open_packagings =  False if open_packagings else True)">
+                <h6 t-attf-class="o_packaging_collapse_title mb-3 pt-3 {{_titleClasses}}"><b>
+                <span t-if="open_packagings">All Products</span>
+                <span t-else="">Open Packagings</span>
+                </b></h6>
+            </a>
+        </div>
+        </xpath>
+    </template>
+
     <template id="cart_lines_packaging" inherit_id="website_sale.cart_lines" name="Shopping Cart Lines">
         <xpath expr="//td[hasclass('td-product_name')]" position="inside">
             <div t-if="line.product_packaging_id and (line.product_packaging_id.qty != 1)">
-                <span>Open Package: <t t-esc="line.compute_open_packages()"/>/<t t-esc="line.product_packaging_id.qty"/>
-                    </span><br/>
+                <span t-if="line.open_qty > 0">Open Package: <t t-esc="line.open_qty"/>/<t
+                        t-esc="line.product_packaging_id.qty"
+                    />
+                    </span>
+                    <span t-else="">No open package available</span>
+                <br/>
                 <span>Max Ordered Quantity: <span
                         t-esc="line.batch_uom_max_qty"
                         t-attf-class="#{'text-danger' if line.batch_uom_max_qty &lt; line.product_packaging_id.qty else ''}"
diff --git a/nfu_sale_order_batch_packaging/models/sale_order_batch_product.py b/nfu_sale_order_batch_packaging/models/sale_order_batch_product.py
index f2c3cb8..db0a8db 100644
--- a/nfu_sale_order_batch_packaging/models/sale_order_batch_product.py
+++ b/nfu_sale_order_batch_packaging/models/sale_order_batch_product.py
@@ -4,7 +4,7 @@ from odoo import api, fields, models
 class SaleOrderBatchProduct(models.Model):
     _inherit = "sale.order.batch.product"
 
-    open_packaging_qty = fields.Float(compute="_compute_open_packagin_qty")
+    open_packaging_qty = fields.Float(compute="_compute_open_packagin_qty", store=True)
 
     @api.depends("sale_order_line_ids.product_uom_qty")
     def _compute_open_packagin_qty(self):
diff --git a/nfu_sale_order_batch_packaging/models/sale_order_line.py b/nfu_sale_order_batch_packaging/models/sale_order_line.py
index e01a175..d6ff040 100644
--- a/nfu_sale_order_batch_packaging/models/sale_order_line.py
+++ b/nfu_sale_order_batch_packaging/models/sale_order_line.py
@@ -28,13 +28,15 @@ class SaleOrderLine(models.Model):
             if line.order_id.batch_id:
                 batch_id = line.batch_id
                 product_id = line.product_id
+                precision_rounding = line.product_id.uom_id.rounding
+                precision_digits = len(str(precision_rounding).split(".")[1])
                 batch_lines = (
                     self.env["sale.order.line"]
                     .sudo()
                     .search([("batch_id", "=", batch_id.id), ("product_id", "=", product_id.id)])
                 )
                 line.batch_uom_qty = sum(batch_lines.mapped("product_uom_qty"))
-                line.batch_uom_max_qty = sum(batch_lines.mapped("product_uom_max_qty"))
+                line.batch_uom_max_qty = round(sum(batch_lines.mapped("product_uom_max_qty")), precision_digits)
             else:
                 line.batch_uom_max_qty = line.batch_uom_qty = 0