Groz 1 4in BSP Regulator 21CFM 600LPM Lighting ) 3 2601 1 8 Hexagon Once paired ) 3 2601 1 8 Hexagon Socket 3 2602 1 4 Hexagon Socket 2 2701 1 8 BSP Hex Nipple 2 2702 1 4 BSP Hex Nipple 2 2901 1 4 x 1 8 Hex Reducing Nipple 3 301 1 8 x 1 8 Single Union Male 3 302 3 16 x 1 8 Single Union Male 5 401 1 8 x 1 8 Double Union Male 2 402 3 16 x 3 16 Double Union Male 4 4401 1 8 Tail (Solder On) 3 4402 3 16 Tail (Solder On) 5 4403 1 4 Tail (Solder On) 10 4404 5 16 Tail (Solder On) 10 4405 3 8 Tail (Solder On) 5 4501 1 8 Nut (Solder On) 3 4502 3 16 Nut (Solder On) 3 4503 1 4 Nut (Solder On) 10 4504 5 16 Nut (Solder On) 10 4505 3 8 Nut (Solder On) 5 4603 1 4 x 1 8 Single Union Solder On 2 4605 5 16 x 1 8 Single Union Solder On 2 4703 1 4 Double Union (Solder On) 2 4704 5 16 Double Union (Solder On) 2 6401 1 8 Plug (Taper) 5 6402 1 4 BSP Taper Plug Solid 3 7101 1 8 x 1 2 Tank Collar 5 92 Pieces Replacement Packs Available Part # Size Pack Qty C1796 1 5 x 20 x 0 Regulators work on a Diaphragm operated relieving type mechanism with pressure compensated by balanced poppet These can be installed in any position & need not be vertically mounted WETTED COMPONENTS: Aluminium Brass Steel Acetal Stainless Steel & Nitrile R13 Type: MINIATURE COMPLETE WITH 42MM GAUGE Max flow rate: 21 CFM 600 LPM Max Pressure: 220 PSI 15 Bar CONFORMS TO ISO 6953 1