Waterway 1 1/2'' npt extended coupler by Waterway Plastics Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $3.30 SKU Waterway-419-3600 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Waterway 1 1/2'' npt extended coupler