Flexible caps can be used on 1-1/2″ cast iron, ABS or PVC. Flexible Couplings and Adapters are made of tough elastomeric polyvinyl chloride (PVC), the flexible couplings are strong, resilient and unaffected by soil conditions. They are also resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases. Application: Drain Sewer Vent Piping Waste
