Danfoss Waltech Welding Nipples for Tube 16 x 3 - SN16X3 Hydraulic DIN 2353 Compression Fitting, O-Ring Seal, Welding Nipple, to Suit Tube Size 16 x 3mm, Chromium Plated Steel, Maximum Working Pressure 400 bar, Danfoss Waltech GBP 12.29 1