18×6 Inch SF Basin Extension


Installation Instructions (PDF)

Our high density polyethylene basin extensions provide an easy and cost effective way to increase the height of our sump and sewage basins.

Features and Benefits

  • Attaches to our 18 in. diameter sump and sewage basins
  • Heavy duty HDPE construction
  • Includes (8) 1/4 x 5/8 in. zinc bolts and stainless steel washers and (1) roll 7/8 x 65 in. sealing tape


Outside Diameter: 22.0 in.
Inside Diameter: 18.0 in.
Bolt Circle: 19.5 in.
Material: Polyethylene
Application: Sump & Sewage Basins

SKU: RM18X6EXT Category:


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