Brass compression fittings. BS 864-2:1983 or BS EN 1254:1988. They conform to both these standards apart from marking: a fitting conforms to the standards with which it is marked.
https://www.bes.co.uk/compression-equal-tee-brass-35mm-17663/39675Compression Equal Tee Brass - 35mmhttps://www.bes.co.uk/media/catalog/product/3/5/35-mm-imported-equal-tee-imported_min_17663_P_1.jpg13.7713.77GBPInStock/Pipe Tube & Fittings/Pipe Fittings/Compression41671241424145<p style="font-size: 12.132px; letter-spacing: 0.36396px;">35 mm equal tee.</p><p style="font-size: 12.132px; letter-spacing: 0.36396px;">Brass compression fittings. BS 864-2:1983 or BS EN 1254:1988. They conform to both these standards apart from marking: a fitting conforms to the standards with which it is marked.</p>Unbranded00https://www.bes.co.uk/media/catalog/product/3/5/35-mm-equal-tee_min_17663_L_1.jpg5056198110842add-to-cartfacet_type:Teespecial_price:13.770000cat_multi_facet_l1:Fittingsis_on_sales:Nomore_sizes:17657,17658,17659,17660,17661,17662,17664,17665products_related:23385,16444,22477,7877,6635,9263,9572,8075,9580,23208,7550,3705sku:17663FittingsTeeNo17657,17658,17659,17660,17661,17662,17664,1766523385,16444,22477,7877,6635,9263,9572,8075,9580,23208,7550,37051766313.770000No{"Type":"Tee"}EqualUnbranded35 mm35 mm35 mmBrassMetric35 mm