Home / Tanks / Accessories & Tanks Fittings / BSP Compression Fittings / 20mm Adaptor x 1/2″ M. BSP Compression Fitting “1.25” Female x 1.25” Female Ball Valve – BSP Thread” has been added to your basket. View basket 20mm Adaptor x 1/2″ M. BSP Compression Fitting£4.80 BSP threaded fitting to Blue/Metric MDPE alkathene pipe 20mm Adaptor x 1/2" M. BSP Compression Fitting quantity Add to basket SKU: 19262005 Categories: Accessories & Tanks Fittings, BSP Compression Fittings Related products Water Level Gauge £96.00 Add to basket 1.25″ Brass Ball Cock and Float £144.00 Add to basket 1″ Ball Cock and Float with Drop Arm- WRAS Approved £403.20 Add to basket ¾” Byelaw 30 Kit Complete (England and Wales) £18.00 Add to basket