Penn Plax 40/55 Gallon Aquarium Premium Under Tank Filter

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Under Gravel Filter for 5.5 Gallon Aquariums. For crystal clear water * Jumbo 1" Adjustable lift tube * 7.5" x 15.5" *Convenient, trouble-free maintenance!

  • Easy to Assemble
  • Trouble free Maintenance
  • Keeps your Tank Looking Crystal Clear

All Pond Solutions guide to installing Undergravel Filters aquariums tropical marine fish tanks BOYU

The All Pond Solutions guide to setting up undergravel filters. Check out our range available at now!

These handy filters effectively use your gravel as a biological filter, with the added bonus of helping oxygenate your water.

The filter plates featured measure 5.5 inch x 2.75 inch.