Removes surface debris and leaves from your pond - automatically Strong cylindrical-shaped housing that resists side cave-ins. Made from heavy-duty high-density polyethylene Anchoring feature holds skimmer in place when buried Large adjustable 11" x 7" weir door Can fit up to two pumps Large capacity clog-resistant leaf basket Accommodates most pumps up to 8,000 GPH Can be used for all ponds up to about 5,000 gallons Maximum bulkhead placement versatility with fittings for 1½" and 2" flex tubing Reinforced skimmer lid, strong enough to stand on For maximum cleaning, use with the The Pondmaster Pro5000 skims ponds with a surface area up to 800 sq ft.> Weir opening 11" x 7". Unit is 26"L x 24" W x 23"H #02474 Pump choice depends on how high the rise is from the pump to the waterfall.