PRODUCT FEATURES Suitable For Multiple Gun Systems 4060 Maximum discharge pressure 21 GPM maximum 200 F. maximum Port size: 1/2" FPT Material: Brass, stainless steel, buna-N Reviews Featured Products Suttner ST-280 Pressure Unloader $83.26 Add to Cart Unloader Block $27.54 Choose Options K-7 Unloader $177.24 Choose Options GP YVB Unloader $172.20 Add to Cart