Item Features
- Easily removable knock-outs simplify pipe placement and reduce installation time. Two large center knock-outs accommodate up to 3.5 in diameter pipe. (Extensions do not have knock-outs.)
- Knock-out retainers hold removed knock-outs in place above the pipe to help keep dirt out during backfill.
- Corrugated sides provide strength both before and after knock-outs are removed
- Shovel access slot on body allows for easy lid removal.
- Beveled lid edges help prevent damage to lids from lawn equipment.
- Bolt hole knock-out in the lid keeps insects out of the box when bolt is not used.
- Interlocking bottoms allow boxes to mate securely together bottom-to-bottom for deep installations
- Optional stainless steel bolt and clip securely fasten the lid to the body
- Lid marking area provides dedicated location for valve identification.
- 18.7 in x 12.2 in (47.4 cm x 30.9 cm) minimum Top Opening





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