Perma-Loc 3/4" High Flow Valve Coupling/On-Off Valve Pinit $8.87 Quantity discounts available QuantityPrice SKU: IG17311 Retail Price This item is IN STOCK Quantity -+ Add to Cart Details Add a point of on/off control to 3/4" tubing. Great for high flow lines. Details Back DetailsAdd a point of on/off control to 3/4" tubing. Great for high flow lines.