diff --git a/admin/themes/default/template/controllers/products/informations.tpl b/admin/themes/default/template/controllers/products/informations.tpl
index d67bdffb0..fdfa02ee0 100644
--- a/admin/themes/default/template/controllers/products/informations.tpl
+++ b/admin/themes/default/template/controllers/products/informations.tpl
@@ -455,7 +455,7 @@
 				<p class="help-block">{l s='Please note that position numbering starts from 0. A position of 0 means room type will be displayed at the topmost position.'}</p>
 				<div class="alert alert-info">
 					{l s='You can manage positions of the room types of this hotel from'}
-					<a href="{$link->getAdminLink('AdminProducts')}&id_category={$htl_full_info['id_category']}">{l s='here.'}</a>
+					<a href="{$link->getAdminLink('AdminProducts')}&submitResetproduct&submitFilterproduct=1&productFilter_a!id_category_default={$htl_full_info['id_category']}">{l s='here.'}</a>
 				</div>
 			</div>
 		</div>
diff --git a/classes/controller/AdminController.php b/classes/controller/AdminController.php
index 80e71feba..2dcb41a51 100644
--- a/classes/controller/AdminController.php
+++ b/classes/controller/AdminController.php
@@ -878,9 +878,8 @@ class AdminControllerCore extends Controller
             }
         }
 
-        if (empty($filters)) {
-            $filters = $this->context->cookie->getFamily($prefix.$this->list_id.'Filter_');
-        }
+        // To merge the older filters with the new ones, and replace if new data is added to filter.
+        $filters = array_merge($this->context->cookie->getFamily($prefix.$this->list_id.'Filter_'), $filters);
 
         foreach ($filters as $key => $value) {
             $key_org = $key;
diff --git a/controllers/admin/AdminNormalProductsController.php b/controllers/admin/AdminNormalProductsController.php
index d204c88ff..12d070ce4 100644
--- a/controllers/admin/AdminNormalProductsController.php
+++ b/controllers/admin/AdminNormalProductsController.php
@@ -139,6 +139,7 @@ class AdminNormalProductsControllerCore extends AdminController
             }
         }
 
+        $catFitlerKey = $this->table.'Filter_a!id_category_default';
         if (Tools::getValue('reset_filter_category')) {
             $this->context->cookie->id_category_products_filter = false;
         }
@@ -149,6 +150,9 @@ class AdminNormalProductsControllerCore extends AdminController
                 Tools::redirectAdmin($this->context->link->getAdminLink('AdminNormalProducts'));
             }
         }
+        if (!Tools::getValue($catFitlerKey)) {
+            $this->context->cookie->id_category_products_filter = false;
+        }
         /* Join categories table */
         if ($id_category = (int)Tools::getValue('productFilter_cl!name')) {
             $this->_category = new Category((int)$id_category);
@@ -160,6 +164,21 @@ class AdminNormalProductsControllerCore extends AdminController
             } elseif ($id_category = $this->context->cookie->id_category_products_filter) {
                 $this->id_current_category = $id_category;
             }
+
+            $idFilterCategory = false;
+            if (!Tools::isSubmit($catFitlerKey)) {
+                $prefix = $this->getCookieFilterPrefix();
+                $idFilterCategory = $this->context->cookie->{$prefix.$catFitlerKey};
+            }
+
+            if ($idFilterCategory) {
+                $this->id_current_category = $idFilterCategory;
+                $this->context->cookie->id_category_products_filter = $idFilterCategory;
+            } else {
+                $this->id_current_category = false;
+                $this->context->cookie->id_category_products_filter = false;
+            }
+
             if ($this->id_current_category) {
                 $this->_category = new Category((int)$this->id_current_category);
             } else {
@@ -550,8 +569,9 @@ class AdminNormalProductsControllerCore extends AdminController
 
     public function getList($id_lang, $orderBy = null, $orderWay = null, $start = 0, $limit = null, $id_lang_shop = null)
     {
-        $orderByPriceFinal = (empty($orderBy) ? ($this->context->cookie->__get($this->table.'Orderby') ? $this->context->cookie->__get($this->table.'Orderby') : 'id_'.$this->table) : $orderBy);
-        $orderWayPriceFinal = (empty($orderWay) ? ($this->context->cookie->__get($this->table.'Orderway') ? $this->context->cookie->__get($this->table.'Orderby') : 'ASC') : $orderWay);
+        $prefix = $this->getCookieFilterPrefix();
+        $orderByPriceFinal = (empty($orderBy) ? ($this->context->cookie->__get($prefix.$this->table.'Orderby') ? $this->context->cookie->__get($prefix.$this->table.'Orderby') : 'id_'.$this->table) : $orderBy);
+        $orderWayPriceFinal = (empty($orderWay) ? ($this->context->cookie->__get($prefix.$this->table.'Orderway') ? $this->context->cookie->__get($prefix.$this->table.'Orderby') : 'ASC') : $orderWay);
         if ($orderByPriceFinal == 'price_final') {
             $orderBy = 'id_'.$this->table;
             $orderWay = 'ASC';
@@ -2560,9 +2580,10 @@ class AdminNormalProductsControllerCore extends AdminController
             // If products from all categories are displayed, we don't want to use sorting by position
             if (!$id_category) {
                 $this->_defaultOrderBy = $this->identifier;
-                if ($this->context->cookie->{$this->table.'Orderby'} == 'position') {
-                    unset($this->context->cookie->{$this->table.'Orderby'});
-                    unset($this->context->cookie->{$this->table.'Orderway'});
+                $prefix = $this->getCookieFilterPrefix();
+                if ($this->context->cookie->{$prefix.$this->table.'Orderby'} == 'position') {
+                    unset($this->context->cookie->{$prefix.$this->table.'Orderby'});
+                    unset($this->context->cookie->{$prefix.$this->table.'Orderway'});
                 }
             }
             if (!$id_category) {
diff --git a/controllers/admin/AdminProductsController.php b/controllers/admin/AdminProductsController.php
index c65497b23..36610d0b0 100644
--- a/controllers/admin/AdminProductsController.php
+++ b/controllers/admin/AdminProductsController.php
@@ -161,14 +161,32 @@ class AdminProductsControllerCore extends AdminController
             $_POST['productFilter_a!id_category_default'] = $id_category;
         }
 
+        $catFitlerKey = $this->table.'Filter_a!id_category_default';
+         if (!Tools::getValue($catFitlerKey)) {
+            $this->context->cookie->id_category_room_types_filter = false;
+        }
         if (($id_category = (int)Tools::getValue('id_category'))
-            || ($id_category = (int) Tools::getValue('productFilter_a!id_category_default'))
+            || ($id_category = (int) Tools::getValue($catFitlerKey))
         ) {
             $this->id_current_category = $id_category;
             $this->context->cookie->id_category_room_types_filter = $id_category;
         } elseif ($id_category = $this->context->cookie->id_category_room_types_filter) {
             $this->id_current_category = $id_category;
+        }  else {
+            $idFilterCategory = false;
+            if (!Tools::isSubmit($catFitlerKey)) {
+                $prefix = $this->getCookieFilterPrefix();
+                $idFilterCategory = $this->context->cookie->{$prefix.$catFitlerKey};
+            }
+
+            if ($idFilterCategory) {
+                $this->id_current_category = $idFilterCategory;
+                $this->context->cookie->id_category_room_types_filter = $idFilterCategory;
+            } else {
+                $this->context->cookie->id_category_room_types_filter = false;
+            }
         }
+
         if ($this->id_current_category) {
             $this->_category = new Category((int)$this->id_current_category);
             $this->position_group_identifier = (int) $this->id_current_category;
@@ -631,8 +649,9 @@ class AdminProductsControllerCore extends AdminController
 
     public function getList($id_lang, $orderBy = null, $orderWay = null, $start = 0, $limit = null, $id_lang_shop = null)
     {
-        $orderByPriceFinal = (empty($orderBy) ? ($this->context->cookie->__get($this->table.'Orderby') ? $this->context->cookie->__get($this->table.'Orderby') : 'id_'.$this->table) : $orderBy);
-        $orderWayPriceFinal = (empty($orderWay) ? ($this->context->cookie->__get($this->table.'Orderway') ? $this->context->cookie->__get($this->table.'Orderby') : 'ASC') : $orderWay);
+        $prefix = $this->getCookieFilterPrefix();
+        $orderByPriceFinal = (empty($orderBy) ? ($this->context->cookie->__get($prefix.$this->table.'Orderby') ? $this->context->cookie->__get($prefix.$this->table.'Orderby') : 'id_'.$this->table) : $orderBy);
+        $orderWayPriceFinal = (empty($orderWay) ? ($this->context->cookie->__get($prefix.$this->table.'Orderway') ? $this->context->cookie->__get($prefix.$this->table.'Orderby') : 'ASC') : $orderWay);
         if ($orderByPriceFinal == 'price_final') {
             $orderBy = 'id_'.$this->table;
             $orderWay = 'ASC';
@@ -2524,9 +2543,10 @@ class AdminProductsControllerCore extends AdminController
             // If products from all categories are displayed, we don't want to use sorting by position
             if (!(int) $this->id_current_category) {
                 $this->_defaultOrderBy = $this->identifier;
-                if ($this->context->cookie->{$this->table.'Orderby'} == 'position') {
-                    unset($this->context->cookie->{$this->table.'Orderby'});
-                    unset($this->context->cookie->{$this->table.'Orderway'});
+                $prefix = $this->getCookieFilterPrefix();
+                if ($this->context->cookie->{$prefix.$this->table.'Orderby'} == 'position') {
+                    unset($this->context->cookie->{$prefix.$this->table.'Orderby'});
+                    unset($this->context->cookie->{$prefix.$this->table.'Orderway'});
                 }
             }
         }
diff --git a/modules/wkhotelroom/controllers/admin/AdminHotelRoomModuleSettingController.php b/modules/wkhotelroom/controllers/admin/AdminHotelRoomModuleSettingController.php
index 4e37f08d8..0fe71a798 100644
--- a/modules/wkhotelroom/controllers/admin/AdminHotelRoomModuleSettingController.php
+++ b/modules/wkhotelroom/controllers/admin/AdminHotelRoomModuleSettingController.php
@@ -106,6 +106,7 @@ class AdminHotelRoomModuleSettingController extends ModuleAdminController
             ),
             'date_add' => array(
                 'title' => $this->l('Date Add'),
+                'filter_key' => 'a!date_add',
                 'align' => 'center',
                 'type' => 'datetime',
             ),