Quick view Fernco PVC 6" x 4" Flexible Coupling (Clay x Clay) Compare $21.51 Joins two pieces of pipe Coupling 5.25" x 7.30" (inside diameter) 5.00" - 5.30" x 6.80" - 7.40" (minimum and maximum outside diameters of connecting pipes) Stainless Steel clamps with 5/16" Nuts Tighten to 60 lbs. torque Drainage... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List