Click to expand Tap to zoom Quick Disconnect Water Restrictor 3/8” by Jet Works Save Liquid error (product-badge line 32): -Infinity% $31.20 SKU JW-F-WR-38 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The Jet Works QD-38 Water Restrictor comes with 4/3/2mm restrictor inserts used for controlling water flow through exit passes, stinger, head pipes, etc.