15mm Essex Flange Compression Fitting (CF1/R - EP) (NO Stop - for Dip Tube) : Amazon.co.uk: DIY & Tools
15mm With Stop (CF1/R) Essex Flange – Essex Flanges
Essex 22mm CF1/SX ns brass Flange with compression fitting for flat, curved & domed surface WITHOUT stop end - suitable for use with shower pump. : Amazon.co.uk: DIY & Tools