320mm inspection chamber for 110mm pipeworkBase320mm Clear opening plastic inspection chamber base. 3 Way 110mm stepped design inlet system for flexibility. Complete with 2 easy fit bungs to block off unused inlets. Maximum depth allowed by building regulations is 600mmRisers320mm Clear opening plas..
450mm inspection chamber for 110mm pipeworkBase450mm internal diameter polypropylene manhole base with 6 number ring seal sockets that accept 110mm drain pipe or fittings, 5 inlets and 1 outlet. Complete with 3 socket plugs for blanking of any un-used inlets. Overall height is 238mm. Maximum depth a..
450mm inspection chamber for 160mm pipeworkBase450mm internal diameter polypropylene manhole base with 6 number ring seal sockets that accept 160mm drain pipe or fittings, 5 inlets and 1 outlet. Complete with 3 socket plugs for blanking of any un-used inlets. Overall height is 238mm. Maximum depth a..