PRODUCT FEATURES This 3/8" x 3/8" Steel Hex Nipple (4000 PSI) is best used to join an unloader. This model is ideal for robust performance in demanding conditions, as its steel construction ensures superior durability and resilience against prolonged heavy weight. **Unloader sold seperately: https://pressuretek.com/equipment-softwash/pressure-washers/replacement-pumps-parts/unloaders/ ** Reviews Featured Products 1/2" MPT Stainless Steel Nipple $9.83 Add to Cart Standard 3/8" MPT Standard Stainless Steel Plug $4.08 Add to Cart Standard 3/8" MPT Standard Stainless Steel Coupler $7.88 Add to Cart 3/8" Steel Hex Coupler $3.91 Add to Cart