55mm (2-1/8") bulkheads

They are made of stainless steel and have a black coating

For the white/red and white/blue

Specifications: Charger Input - Voltage: 120/230v

Vetus MTP089B - Pump type MTP089B incl. fittings 18mm, for MT225-1200 Marine Refrigeration 55mm (2-1/8") bulkheadsFor type MT0230B MT0345B MT0455B MT0600B MT0900B MT1200B. Specifications: Available for single and dual station control Cylinders are supplied with flexible hose tails, bleed nipples (which accept a quick release coupling for rapid bleeding) and a base plate with universal joint and a swivelling rod end Axial plunger plumps with 7 plungers 25 mm 1 diameter Stainless steel (AISI 316) steering wheel shaft (extra strong for large steering wheels)