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Osma 450mm Diameter Chambers & Lids

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These 450mm diameter inspection chambers make it easy to maintain underground drainage systems and clear blockages. Lightweight and easy-to-install, our range of robust PVC-U underground chambers features a choice of replacement lids with frames in either square or round designs.
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Osma 450mm Universal Inspection Chamber A15 Square Cover & Frame 4D920
Product Code: 639092
Osma 450mm Universal Inspection Chamber A15 Square Cover & Frame 4D920
Retail price

£112.73

each
£93.94 ex. vat
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Osma 450mm Universal Inspection Chamber Base Straight Channel and 4x110mm Branches 4D922
Product Code: 712243
Osma 450mm Universal Inspection Chamber Base Straight Channel and 4x110mm Bra...
Retail price

£161.93

each
£134.94 ex. vat
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Osma 450mm Universal Inspection Chamber A15 Round Cover & Frame 4D927
Product Code: 639093
Osma 450mm Universal Inspection Chamber A15 Round Cover & Frame 4D927
Retail price

£63.62

each
£53.02 ex. vat
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Osma 450mm Universal Inspection Chamber BI25 Round Cover & Frame 4D942
Product Code: 878277
Osma 450mm Universal Inspection Chamber BI25 Round Cover & Frame 4D942
Retail price

£143.86

each
£119.88 ex. vat
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