About This

✔️Complete Set – 20 Pieces: Includes 10 blue and 10 red construction test plugs (total of 20). Each plug has a 1/2" external thread, ideal for water system pressure testing.
✔️Durable & Reliable Materials: Made from high-quality plastic with elastomer sealing gaskets that ensure a 100% tight, leak-free seal every time.
✔️Easy to Install & Remove: Lightweight design allows for quick installation — tighten or loosen by hand or with a wrench. No special tools required.
✔️Clear Hot & Cold Identification: Red and blue color coding makes it easy to distinguish between hot and cold water lines instantly during setup or testing.
✔️Ideal for Pressure Testing: Perfect for sealing water pipes and performing leak or pressure tests when faucets or other fittings are not yet installed.