This is a replacement Waterco 40mm shaft o-ring to suit the following Waterco MPV's. 2 Required.

40mm Waterco Valve (228042, 229042, 2390495)
40mm 6 way collar type (2280443)
40mm 5 way 6 bar valve (228026)
40mm 5 way MPV 7 bar (2280262)
TM 40mm Clamp (22804455)
TM 40mm 6 way clamp type MK3 (22804456) - Suits T/Pas &Exotuf Plus
TM 40mm 6 way clamp type (2280422) - Suits Thermoplastic Filters - 6" clamp neck ring, Premium S600)
TM 40mm 6 way ext thread MK2 (22804415) - 4 Bar - Suit Micron S Filters
TM 40mm 6 way ext thread MK3 (22804416) - 4 Bar - suit Micron S Filters (new)