diff --git a/src/DataTables/Filters/PartFilter.php b/src/DataTables/Filters/PartFilter.php
index 1e6a33a3..2d3e6087 100644
--- a/src/DataTables/Filters/PartFilter.php
+++ b/src/DataTables/Filters/PartFilter.php
@@ -21,6 +21,7 @@ use App\Entity\Parts\Supplier;
 use App\Services\Trees\NodesListBuilder;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\QueryBuilder;
+use Svg\Tag\Text;
 
 class PartFilter implements FilterInterface
 {
@@ -78,6 +79,9 @@ class PartFilter implements FilterInterface
     /** @var IntConstraint */
     protected $orderdetailsCount;
 
+    /** @var BooleanConstraint */
+    protected $obsolete;
+
     /** @var EntityConstraint */
     protected $storelocation;
 
@@ -90,6 +94,9 @@ class PartFilter implements FilterInterface
     /** @var BooleanConstraint */
     protected $lotNeedsRefill;
 
+    /** @var TextConstraint */
+    protected $lotDescription;
+
     /** @var BooleanConstraint */
     protected $lotUnknownAmount;
 
@@ -117,6 +124,9 @@ class PartFilter implements FilterInterface
     /** @var ArrayCollection<int, ParameterConstraint> */
     protected $parameters;
 
+    /** @var IntConstraint */
+    protected $parametersCount;
+
     public function __construct(NodesListBuilder $nodesListBuilder)
     {
         $this->name = new TextConstraint('part.name');
@@ -141,25 +151,28 @@ class PartFilter implements FilterInterface
          */
         $this->amountSum = new IntConstraint('amountSum');
         $this->lotCount = new IntConstraint('COUNT(partLots)');
-        $this->supplier = new EntityConstraint($nodesListBuilder, Supplier::class, 'orderdetails.supplier');
+
+        $this->storelocation = new EntityConstraint($nodesListBuilder, Storelocation::class, 'partLots.storage_location');
         $this->lotNeedsRefill = new BooleanConstraint('partLots.needs_refill');
         $this->lotUnknownAmount = new BooleanConstraint('partLots.instock_unknown');
         $this->lotExpirationDate = new DateTimeConstraint('partLots.expiration_date');
+        $this->lotDescription = new TextConstraint('partLots.description');
 
         $this->manufacturer = new EntityConstraint($nodesListBuilder, Manufacturer::class, 'part.manufacturer');
         $this->manufacturer_product_number = new TextConstraint('part.manufacturer_product_number');
         $this->manufacturer_product_url = new TextConstraint('part.manufacturer_product_url');
         $this->manufacturing_status = new ChoiceConstraint('part.manufacturing_status');
 
-        $this->storelocation = new EntityConstraint($nodesListBuilder, Storelocation::class, 'partLots.storage_location');
-
         $this->attachmentsCount = new IntConstraint('COUNT(attachments)');
         $this->attachmentType = new EntityConstraint($nodesListBuilder, AttachmentType::class, 'attachments.attachment_type');
         $this->attachmentName = new TextConstraint('attachments.name');
 
+        $this->supplier = new EntityConstraint($nodesListBuilder, Supplier::class, 'orderdetails.supplier');
         $this->orderdetailsCount = new IntConstraint('COUNT(orderdetails)');
+        $this->obsolete = new BooleanConstraint('orderdetails.obsolete');
 
         $this->parameters = new ArrayCollection();
+        $this->parametersCount = new IntConstraint('COUNT(parameters)');
     }
 
     public function apply(QueryBuilder $queryBuilder): void
@@ -387,6 +400,28 @@ class PartFilter implements FilterInterface
         return $this->parameters;
     }
 
+    public function getParametersCount(): IntConstraint
+    {
+        return $this->parametersCount;
+    }
+
+    /**
+     * @return TextConstraint
+     */
+    public function getLotDescription(): TextConstraint
+    {
+        return $this->lotDescription;
+    }
+
+    /**
+     * @return BooleanConstraint
+     */
+    public function getObsolete(): BooleanConstraint
+    {
+        return $this->obsolete;
+    }
+
+
 
 
 }
diff --git a/src/DataTables/PartsDataTable.php b/src/DataTables/PartsDataTable.php
index cc0fe1b2..53150ab3 100644
--- a/src/DataTables/PartsDataTable.php
+++ b/src/DataTables/PartsDataTable.php
@@ -362,6 +362,7 @@ final class PartsDataTable implements DataTableTypeInterface
             ->leftJoin('orderdetails.supplier', 'suppliers')
             ->leftJoin('part.attachments', 'attachments')
             ->leftJoin('part.partUnit', 'partUnit')
+            ->leftJoin('part.parameters', 'parameters')
 
             ->groupBy('part')
         ;
diff --git a/src/Form/Filters/PartFilterType.php b/src/Form/Filters/PartFilterType.php
index 84d3137f..99948355 100644
--- a/src/Form/Filters/PartFilterType.php
+++ b/src/Form/Filters/PartFilterType.php
@@ -156,6 +156,9 @@ class PartFilterType extends AbstractType
            'min' => 0,
         ]);
 
+        $builder->add('obsolete', BooleanConstraintType::class, [
+            'label' => 'orderdetails.edit.obsolete'
+        ]);
 
         /*
          * Stocks tabs
@@ -194,6 +197,10 @@ class PartFilterType extends AbstractType
             'input_type' => DateType::class,
         ]);
 
+        $builder->add('lotDescription', TextConstraintType::class, [
+            'label' => 'part.filter.lotDescription',
+        ]);
+
         /**
          * Attachments count
          */
@@ -215,7 +222,7 @@ class PartFilterType extends AbstractType
         $constraint_prototype = new ParameterConstraint();
 
         $builder->add('parameters', CollectionType::class, [
-            'label' => 'parameter.label',
+            'label' => false,
             'entry_type' => ParameterConstraintType::class,
             'allow_delete' => true,
             'allow_add' => true,
@@ -224,6 +231,12 @@ class PartFilterType extends AbstractType
             'empty_data' => $constraint_prototype,
         ]);
 
+        $builder->add('parametersCount', NumberConstraintType::class, [
+            'label' => 'part.filter.parameters_count',
+            'step' => 1,
+            'min' => 0,
+        ]);
+
         $builder->add('submit', SubmitType::class, [
             'label' => 'filter.submit',
         ]);
diff --git a/templates/Parts/lists/_filter.html.twig b/templates/Parts/lists/_filter.html.twig
index e40af175..c7f0358c 100644
--- a/templates/Parts/lists/_filter.html.twig
+++ b/templates/Parts/lists/_filter.html.twig
@@ -60,6 +60,7 @@
                 {{ form_row(filterForm.amountSum) }}
                 {{ form_row(filterForm.lotCount) }}
                 {{ form_row(filterForm.lotExpirationDate) }}
+                {{ form_row(filterForm.lotDescription) }}
                 {{ form_row(filterForm.lotNeedsRefill) }}
                 {{ form_row(filterForm.lotUnknownAmount) }}
             </div>
@@ -73,10 +74,12 @@
             <div class="tab-pane pt-3" id="filter-orderdetails" role="tabpanel" aria-labelledby="filter-orderdetails-tab" tabindex="0">
                 {{ form_row(filterForm.supplier) }}
                 {{ form_row(filterForm.orderdetailsCount) }}
+                {{ form_row(filterForm.obsolete) }}
             </div>
 
             <div class="tab-pane pt-3" id="filter-parameters" role="tabpanel" aria-labelledby="filter-parameters-tab" tabindex="0">
                 {% import 'components/collection_type.macro.html.twig' as collection %}
+                {{ form_row(filterForm.parametersCount) }}
 
                 <div {{ collection.controller(filterForm.parameters) }}>
                     <table class="table table-striped table-sm" id="lots_table" {{ collection.target() }}>
diff --git a/translations/messages.en.xlf b/translations/messages.en.xlf
index f80ac072..81e2113a 100644
--- a/translations/messages.en.xlf
+++ b/translations/messages.en.xlf
@@ -9669,5 +9669,17 @@ Element 3</target>
         <target>Add constraint</target>
       </segment>
     </unit>
+    <unit id=".CuxL5L" name="part.filter.parameters_count">
+      <segment>
+        <source>part.filter.parameters_count</source>
+        <target>Number of parameters</target>
+      </segment>
+    </unit>
+    <unit id="Dn0SKIi" name="part.filter.lotDescription">
+      <segment>
+        <source>part.filter.lotDescription</source>
+        <target>Lot description</target>
+      </segment>
+    </unit>
   </file>
 </xliff>