Hex Poly Threaded Nipple Features & Benefits Largest range of durable, high strength, commercial quality threaded pipe fittings in the Southern Hemisphere. Precision, heavy duty, tapered threads give a strong reliable seal. Manufactured from a raw material approved for use with potable (drinkable) water. Manufactured from high quality glass fibre, reinforced nylon, giving a weather, termite, fungi and bacteria resistant. Common applications include horticultural, agricultural, irrigation, marine & plumbing. Material strong enough to minimise potential cross threading. Suitable for use above or below ground in varying operating pressures and temperatures. Strong, lightweight and compact. Available in a variety of thread combinations and connections. New Zealand Made.