Replacement impellers for Danner submersible pumps Model:2 Perfect for both Deep Water

Perfect for both Deep Water Culture (DWC) and Media bed installations

Aphid Lions also make hearty meals of Mealybugs

(Recommended for fish tanks up to 70 gallons)

t brand Grow media to fill the growing bed

Each bottle marked with lot number and expiration date

Replacement impellers for Danner submersible pumps Model:2 Perfect for both Deep WaterDanner Replacement Impeller How the Standard Replacement Impeller Works: To chop incoming air into even smaller bubbles, some manufacturers include pinwheel or needle wheel impellers in their skimmer pumps. As bubbles pass through the impeller, needles or pins shred incoming bubbles into microbubbles. Eventually, these can wear over time requiring replacement. Product Details: Replacement impeller for submersible pumps. Made by Danner for the