Home / Tanks / Accessories & Tanks Fittings / BSP Compression Fittings / 20mm Adaptor x 1/2″ F. BSP Compression Fitting “Water Level Gauge” has been added to your basket. View basket 20mm Adaptor x 1/2″ F. BSP Compression Fitting£4.80 BSP threaded fitting to Blue/Metric MDPE alkathene pipe 20mm Adaptor x 1/2" F. BSP Compression Fitting quantity Add to basket SKU: 19252005 Categories: Accessories & Tanks Fittings, BSP Compression Fittings Related products 1.25″ Ball Cock and Float with Drop Arm – WRAS Approved £499.20 Add to basket ¾” Brass Ball Cock and Float £43.20 Add to basket Plastic Ball for ¾” and 1″ Brass Ball Cock £21.60 Add to basket 2″ Brass Ball Cock and Float £158.40 Add to basket