Norwesco Septic Tank Manhole Extension — 20in. dia. x 24in. H, Model# 63834-DS

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- Durable polyethylene construction resists corrosion and cracking
- Three height options to match your installation needs (6", 15", 24")
- Compatible with Norwesco manhole covers and safety lids
- Watertight connection helps prevent surface water intrusion
- Lightweight and easy to install
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