diff --git a/Ctoss/Builders/Filters/FilterBuilder.cs b/Ctoss/Builders/Filters/FilterBuilder.cs
index 942754a..7b6fa74 100644
--- a/Ctoss/Builders/Filters/FilterBuilder.cs
+++ b/Ctoss/Builders/Filters/FilterBuilder.cs
@@ -13,23 +13,20 @@ public class FilterBuilder
     private readonly IPropertyFilterBuilder<NumberCondition> _numberFilterBuilder = new NumberFilterBuilder();
     private readonly IPropertyFilterBuilder<SetCondition> _setFilterBuilder = new SetFilterBuilder();
 
-    public Expression<Func<T, bool>>? GetExpression<T>(AgGridFilter? filterSet)
+    public Expression<Func<T, bool>>? GetExpression<T>(Dictionary<string, FilterModel>? filterSet)
     {
         if (filterSet == null)
             return null;
 
         var expressions = new List<Expression<Func<T, bool>>>();
 
-        expressions.AddRange(filterSet.Filters
+        expressions.AddRange(filterSet
             .Select(filter => GetExpressionInternal<T>(filter.Key, filter.Value)));
         return expressions.Aggregate((acc, expr) => acc.AndAlso(expr));
     }
 
     public Expression<Func<T, bool>>? GetExpression<T>(string property, FilterModel filter)
-        => GetExpression<T>(new AgGridFilter
-        {
-            Filters = new Dictionary<string, FilterModel> { { property, filter } }
-        });
+        => GetExpression<T>(new Dictionary<string, FilterModel> { { property, filter } });
 
     private Expression<Func<T, bool>> GetExpressionInternal<T>(string property, FilterModel? filter)
     {
diff --git a/Ctoss/Extensions/AgGridExtensions.cs b/Ctoss/Extensions/AgGridExtensions.cs
index 832e37e..9c2a8b2 100644
--- a/Ctoss/Extensions/AgGridExtensions.cs
+++ b/Ctoss/Extensions/AgGridExtensions.cs
@@ -6,7 +6,7 @@ public static class AgGridExtensions
 {
     public static AgGridQueryResult<T> Apply<T>(this IEnumerable<T> all, AgGridQuery query)
     {
-        var applyFilter = query.FilterModel!.Filters is { Count: > 0 };
+        var applyFilter = query.FilterModel is { Count: > 0 };
         if (applyFilter)
             all = all.WithFilter(query.FilterModel!);
 
@@ -26,7 +26,7 @@ public static AgGridQueryResult<T> Apply<T>(this IEnumerable<T> all, AgGridQuery
 
     public static AgGridQueryResult<T> Apply<T>(this IQueryable<T> all, AgGridQuery query)
     {
-        var applyFilter = query.FilterModel!.Filters is { Count: > 0 };
+        var applyFilter = query.FilterModel! is { Count: > 0 };
         if (applyFilter)
             all = all.WithFilter(query.FilterModel!);
 
diff --git a/Ctoss/Extensions/EnumerableExtensions.cs b/Ctoss/Extensions/EnumerableExtensions.cs
index 1405eb7..339d315 100644
--- a/Ctoss/Extensions/EnumerableExtensions.cs
+++ b/Ctoss/Extensions/EnumerableExtensions.cs
@@ -71,7 +71,7 @@ public static IEnumerable<T> WithSorting<T>(this IEnumerable<T> query, List<Sort
     public static IEnumerable<T> WithFilter<T>(
         this IEnumerable<T> query, string jsonFilter) =>
         query.WithFilter(
-            JsonSerializer.Deserialize<AgGridFilter>(
+            JsonSerializer.Deserialize<Dictionary<string, FilterModel>?>(
                 jsonFilter, CtossJsonDefaults.DefaultJsonOptions)
         );
 
@@ -79,17 +79,12 @@ public static IEnumerable<T> WithFilter<T>(
         this IEnumerable<T> query, string propertyName, FilterModel? filter) =>
         filter is null
             ? query
-            : WithFilter(
-                query,
-                new AgGridFilter
-                {
-                    Filters = new Dictionary<string, FilterModel> { { propertyName, filter } }
-                });
+            : WithFilter(query, new Dictionary<string, FilterModel> { { propertyName, filter } });
 
     public static IEnumerable<T> WithFilter<T>(
-        this IEnumerable<T> query, AgGridFilter? filterSet)
+        this IEnumerable<T> query, Dictionary<string, FilterModel>? filterSet)
     {
-        if (filterSet is null || !filterSet.Filters.Any())
+        if (filterSet is null || !filterSet.Any())
             return query;
 
         var filterBuilder = new FilterBuilder();
diff --git a/Ctoss/Extensions/QueryableExtensions.cs b/Ctoss/Extensions/QueryableExtensions.cs
index c332327..e143fed 100644
--- a/Ctoss/Extensions/QueryableExtensions.cs
+++ b/Ctoss/Extensions/QueryableExtensions.cs
@@ -71,7 +71,7 @@ public static IQueryable<T> WithSorting<T>(this IQueryable<T> query, List<Sortin
     public static IQueryable<T> WithFilter<T>(
         this IQueryable<T> query, string jsonFilter) =>
         query.WithFilter(
-            JsonSerializer.Deserialize<AgGridFilter>(
+            JsonSerializer.Deserialize<Dictionary<string, FilterModel>?>(
                 jsonFilter, CtossJsonDefaults.DefaultJsonOptions)
         );
 
@@ -79,17 +79,12 @@ public static IQueryable<T> WithFilter<T>(
         this IQueryable<T> query, string propertyName, FilterModel? filter) =>
         filter is null
             ? query
-            : WithFilter(
-                query,
-                new AgGridFilter
-                {
-                    Filters = new Dictionary<string, FilterModel> { { propertyName, filter } }
-                });
+            : WithFilter(query, new Dictionary<string, FilterModel> { { propertyName, filter } });
 
     public static IQueryable<T> WithFilter<T>(
-        this IQueryable<T> query, AgGridFilter? filtersSet)
+        this IQueryable<T> query, Dictionary<string, FilterModel>? filtersSet)
     {
-        if (filtersSet is null || !filtersSet.Filters.Any())
+        if (filtersSet is null || !filtersSet.Any())
             return query;
 
         var filterBuilder = new FilterBuilder();
diff --git a/Ctoss/Models/AgGrid/AgGridQuery.cs b/Ctoss/Models/AgGrid/AgGridQuery.cs
index abe6e51..2f79f4f 100644
--- a/Ctoss/Models/AgGrid/AgGridQuery.cs
+++ b/Ctoss/Models/AgGrid/AgGridQuery.cs
@@ -6,5 +6,5 @@ public record AgGridQuery(
     int StartRow,
     int EndRow,
     List<Sorting>? SortModel,
-    AgGridFilter? FilterModel
+    Dictionary<string, FilterModel>? FilterModel
 );