Cart Pressure Testing & Accessories Here you can find test caps, test plugs and other pressure testing tools. Showing all 4 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 3″ Wing Nut Test Plug $7.50 Add to cart 4″ Wing Nut Test Plug $9.56 Add to cart 3″ Flexible Cap (Cast Iron, PVC, ABS) $3.52 Add to cart 3″ Flexible Cap w/ Hose Bib (Cast Iron, PVC, ABS) $16.99 Add to cart