2 X Male Flexi to Copper Pipe 15mm x 3/8" Tap Adapter for Monobloc Taps (Pair)
Flexible Tap Connector 15mm x 1/2" BSP 150mm - 900mm New Tap Toilet Braided Hose. This fitting converts the 3/8" to British standard 15mm compression so a 15mm pipe can be conneted (plastic, copper, etc).