HomeCompression Valve x FBSPContact Us to PurchaseAvailable Sizes and Pricing 8011273569 20mm x 1/2" 5.21 8011273572 25mm x 3/4" 6.77 8011273573 32mm x 1" 7.70 8011273580 40mm x 11/4" 13.71 8011273584 50mm x 11/2" 15.34 8011273588 63mm x 2" 22.92