Wall Mounted Nipple A fast, reliable, and leak-proof solution for compressed air with all materials including a 10-year guarantee. Wall Mounted Nipple D20 to 1/2″ bsp £22.63 Ex. VAT Add to basket Wall Mounted Nipple D20 to 1/2″ bsp F £23.28 Ex. VAT Add to basket Wall Mounted Nipple D25 to 1/2″ bsp F £25.06 Ex. VAT Add to basket Wall Mounted Nipple D25 to 1/2″ BSP £27.87 Ex. VAT Add to basket