Danfoss Waltech Welding Nipples for Tube 30 x 4 - SN30X4 Hydraulic DIN 2353 Compression Fitting, O-Ring Seal, Welding Nipple, to Suit Tube Size 30 x 4mm, Chromium Plated Steel, Maximum Working Pressure 250 bar, Danfoss Waltech GBP 24.99 1