Added security of Buna O-rings provides aquarium-plumbing peace-of-mind. Schedule 40 PVC Union Fittings w/ Buna O-Ring Seal (FIPT x FIPT) offer the conveniences and benefits of conventional plumbing unions PLUS the seal protection of a Buna O-Ring. Provides longer lasting use and a better seal than conventional union O-rings. High-quality plumbing unions allow you to safely disconnect rigid plumbing lines from the main line whenever your plumbing installation requires attention. FIPT (female iron pipe thread) fitting x FIPT (female iron pipe thread) fitting.
Aquarium Plumbing Tip