450×450 Drainage Pit
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450×450 Drainage Pit
Available in the following internal depths:
- 350 (453)
- 400 (454)
- 600 (456)
- 700 (457)
- 800 (458)
- 900 (459)
Extension units available in the following depth:
- 100 (451E)
- 300 (453E)
- 400 (454E)
- 600 (456E)
- 700 (457E)
- 800 (458E)
- 900 (459E)
Some risers are in stock, others are made to order.