250mm PVC Underground Drainage Circular Inspection Chamber with Circular Cover

250mm diameter x 600mm deep level invert inspection chamber complete with round cover. Simply cut riser to suit desired depth. The base has 4 number ring seal sockets that accept 110mm drain pipe or fitting, 3 number inlets and 1 number outlet. The PVC light duty cover is fixed to the frame via 3 number screws and is load tested to 1.5 tonne. Not suitable for rodding. Maximum depth allow by building regulations is 600mm. http://www.draindepot.co.uk/250mm-x-600mm-drainage-inspection-chamber-inc-round-cover.html