1/2" Perma-Loc x 1/2" Perma-Loc x 8mm Tee with Valve Pinit $11.84 Quantity discounts available QuantityPrice SKU: IG17212 Retail Price Available to order Quantity -+ Add to Cart Details Reduces 1/2" poly tubing to 8mm (traditional Blumat supply line). Includes valve. Particularly useful when using 1/2" poly tube as supply line in larg... Details Back DetailsReduces 1/2" poly tubing to 8mm (traditional Blumat supply line). Includes valve. Particularly useful when using 1/2" poly tube as supply line in large Blumat installations.