Materials of K30PM High Quality Pump Manifold Filter Assembly: stainless steel (max.350bar pressure) or Aluminum pump filter (max. 50bar pressure) High precision CNC processing. With 1pc 3/8” inlet connector and 2pcs 1/4” outlet connector. Material for connector: stainless steel (or iron steel with nickle plated) Thread: NPS or G thread Weight: 2.5kgs The pump filter include the 60 mesh filter inside. Interchangeable with Pump Manifold Assembly of most Pneumatic Airless Paint Sprayers all over the world.