diff --git a/RhSolutions.Api/Services/BlackPipeQueryModifier.cs b/RhSolutions.Api/Services/BlackPipeQueryModifier.cs
new file mode 100644
index 0000000..ae4012e
--- /dev/null
+++ b/RhSolutions.Api/Services/BlackPipeQueryModifier.cs
@@ -0,0 +1,14 @@
+namespace RhSolutions.Api.Services
+{
+    public class BlackPipeQueryModifier : FlexPipeQueryModifier
+	{
+		protected override string diameterPattern => @"16|20|25";
+		protected override string pipeName => "Black";
+        protected override Dictionary<string, string> diameterNames => new()
+		{
+			["16"] = "16х2,2",
+			["20"] = "20х2,8",
+			["25"] = "25х3,5"			
+		};
+    }
+}
diff --git a/RhSolutions.Api/Services/FlexPipeQueryModifier.cs b/RhSolutions.Api/Services/FlexPipeQueryModifier.cs
index 9d8eb51..cd9e7bf 100644
--- a/RhSolutions.Api/Services/FlexPipeQueryModifier.cs
+++ b/RhSolutions.Api/Services/FlexPipeQueryModifier.cs
@@ -4,18 +4,6 @@ using Microsoft.AspNetCore.Http.Extensions;
 
 namespace RhSolutions.Api.Services
 {
-	public class BlackPipeQueryModifier : FlexPipeQueryModifier
-	{
-		protected override string diameterPattern => @"16|20|25";
-		protected override string pipeName => "Black";
-        protected override Dictionary<string, string> diameterNames => new()
-		{
-			["16"] = "16х2,2",
-			["20"] = "20х2,8",
-			["25"] = "25х3,5"			
-		};
-    }
-
 	public class FlexPipeQueryModifier : IProductQueryModifier
 	{
 		protected virtual string diameterPattern { get; } = @"16|20|25|32|40|50|63";