Lees Undergravel Knockout Plugs


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4 Pack

Out of stock

SKU: 010838130305 Category:


  • If you punch out too many knockouts on the under gravel filter, it will not function correctly.
  • Knockout plugs snap into the holes to cover them, restoring an otherwise inoperative filter plate.?
  • Fits Lee’s Original and Economy Under Gravel Filters.

Additional information

Weight 0.17 oz
Dimensions 5 × 2.75 × 0.75 in


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