Sera Accessories Box - Suit UVC-X 800 (32205)

Sera External O-Ring for Valve - Suit UVC-X 800 (32186)

Sera In/Out Valve Taps & O-Rings - Suit UVC-X 1200 (32185)

Sera Air Set S (08813) The Sera Air Set Small (S) contains everything you need to set up a single outlet aquarium air pump. Contents: 1 x Round ball air stone small (22mm diameter) - the most popular and commonly used airstone. 1 x Non-return check...

Sera 275R/550R Replacement Diaphragm Module (06732) for sera air 275 R plus for sera air 550 R plus   Complete replacement kit for sera air 275 R plus and 550 R plus (2 spare modules are required for 550 R plus).