The Efflux F1 is designed for aquariums approximately 15-25 cm (6-10") in height such as the ADA Mini-S and Mini-M. The outflow can be used with canister filters with 1/2" diameter tubing such as the Eheim 2215. The outflow has an upward funnel shape which gently releases water into your aquarium. Each outflow is supplied with one suction cup to secure it to the side of the aquarium.
The Efflux outflow pipe carries the unique downward-angled funnel design to provide increased water movement to lower parts of the aquarium. This reduces stagnation points and improves gas and nutrient exchange for low and midground plants
The funnel can be conveniently raised slightly above the waterline to create gentle surface movement which will eliminate surface film without aerating the water, and hence reduce CO2 loss. To aerate, simply life the funnel slightly higher.