2-piece PVC bulkhead fitting for rain barrels, aquariums, water tanks (3/4")

Function: The locking nut is reverse-threaded; the bulkhead fitting has a 4mm thick silicone seal that conforms to the shape of round barrels. Size: 47mm x 58mm, 3/4 inch, Material: PVC, Color: Gray; Applicable Models: Universal for most rain barrels, water tanks, ponds, or aquariums. Durable: Will not fade, crack, or peel; Durable PVC is more durable than standard plastic bulkhead fittings. Easy to Install: One-time installation, threaded from the front end, suitable for commercial and industrial use. You will receive: 2 PVC bulkhead fittings in your package, enough for use on your water tanks. You can share them with family and friends; they are useful tools.