Brass Tank Outlet 4" with Left Handed Nut Thread 3/8" Anka Check Valves are a

Anka Check Valves are a spring-loaded non-return valve which can be used in a variety of cold water applications including irrigation

Brass Nut & Tail 80mm (3") Female x 80mm (3") Barb - Brass hose tail with female BSP nut

• Enhanced communication and signal link integrity features

Brass ¾" x ¾" x ¾" Compression Tee - Copper compression fitting with nylon olives

Brass All-Thread 1 1/2" x 300mm - Brass pipe threaded from end to end with BSP thread

Brass Tank Outlet 4" with Left Handed Nut Thread 3/8" Anka Check Valves are aBrass 4 Tank Outlet with Left Hand Thread Brass tank outlet with left hand thread. Because the thread tightens the opposite way to normal BSP thread the tank outlet tightens as you screw a fitting onto it.