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Carson Underground Pull Boxes - Extensions

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39 Products
Item#: 939416
Extension, Height: 12", For Use With B1730 Box, Reinforced Concrete
Item#: 732636
Extension, N40 X 10"
Item#: 870388
Extension, Height: 12 Inch, For Use With B36 Box, Reinforced Concrete
Item#: 74782
Extension B09 X 12", B09, Concrete Extension
Item#: 82078
Extension, Height: 12 Inch, For Use With B16 Box, Reinforced Concrete
Item#: 121976
Extension N30 X 12", N30, Concrete Extension,
Item#: 763359
Concrete Extension, G08 x 12 Inch Depth, Gray
Item#: 394246
Extension, Height: 12", For Use With B1324 Box, Reinforced Concrete
Item#: 323106
Extension, Height: 12", For Use With B2436 Box, Reinforced Concrete
Item#: 935367
Extension, Height: 10 Inch, For Use With N48 Box, Reinforced Concrete
Item#: 348473
Extension, Height: 12", For Use With B3048 Box, Reinforced Concrete
Item#: 151957
Heavy Duty Box Extension, Material: Reinforced Concrete with Steel Frame, W x L x D: 36" x 55" x 12", Color: Gray. *** Discontinued ***
Item#: 642282
8" Extension for H1730 Box. *** Discontinued ***
Item#: 788464
Extension, G05 X 12"
Item#: 176932
Extension B44 X 8", B44, Concrete Extension.
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