4 mm x 4 mm UK manufactured compression fittings Made by BS EN ISO 9001:2008 companies, WRAS approved and kitemarked to BS 864-2:1983 or BS EN 1254:1998. They conform to both these standards apart from marking ; a fitting conforms to the standard with which it is marked. Except that sizes 4 mm and 5 mm are manufactured in the UK to BS 2051:2:1984.
https://www.bes.co.uk/straight-coupler-uk-compression-4mm-9964/39063Straight Coupler UK Compression - 4mmhttps://www.bes.co.uk/media/catalog/product/s/t/straight-coupler-uk-compression-4mm-9964-6_min_9964_P_1.jpg2.662.66GBPInStock/Pipe Tube & Fittings/Pipe Fittings/Compression41671241424145<p>Equal compression straight coupler. </p> <p>4 mm x 4 mm UK manufactured compression fittings Made by BS EN ISO 9001:2008 companies, WRAS approved and kitemarked to BS 864-2:1983 or BS EN 1254:1998. They conform to both these standards apart from marking ; a fitting conforms to the standard with which it is marked. Except that sizes 4 mm and 5 mm are manufactured in the UK to BS 2051:2:1984.</p>BESt range00https://www.bes.co.uk/media/catalog/product/s/t/straight-coupler-uk-compression-4mm-9964-2_min_9964_L_1.jpgadd-to-cartfacet_type:Couplerspecial_price:2.660000cat_multi_facet_l1:Fittingsfacet_size_2:4 mmmore_sizes:9965,6701,6702,6703,6704,6705,6706,9000,9001,9002,9003products_related:9990,9988,12616,21031,6962,21385,12615,6888sku:9964Fittings4 mmCoupler9965,6701,6702,6703,6704,6705,6706,9000,9001,9002,90039990,9988,12616,21031,6962,21385,12615,688899642.660000No{"Type":"Straight Coupler"}EqualBESt rangeBrassMetric4 mm