Our general use Compression Couplings are ideal for both repairs and installations. Santoprene gaskets provide a 100% maintenance-free seal. This is the perfect fitting for emergency situations, no solvent required. Compression Couplings are made from quality PVC and are available in ½˝ through 4˝ IPS sizes. 6˝ and 8˝ available, please contact the factory direct for pricing and lead-times.