Bitzer Air Suction Filter: 1. Suit for in Bitzer 4U,4P, ... 2. Taken double welding 3. Material:Stainless steel. Bitzer Air Suction Filter:1) Suit for in Bitzer 4U,4T,4P ... balance before delivery. Some informations are below: Item NO.KN-024Applicable modelsBitzer 4U,4T,4P,4NMOQ:1 SETMaterialStainless steelPaymentT/T ... ,Western Union Bock Suction Filter Bitzer Suction Filter Bitzer Air Suction Filter