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Bubble sizes that decrease as pressure rises maximize surface area for extremely efficient gas diffusion
Proven in laboratory tests to be 3 times more effective than other carbons
For use with small pond aeration systems
875" x 42"H 49" x 36
United Aquatics Blue Heron Decoy Low Head Bubble sizes that decrease asThe popular United Aquatics Blue Heron Decoy is designed to take advantage of the fact that herons are territorial in nature. Place the heron deterrent near the pond to help protect your fish. Decoy dimensions are 24'' x 6'' x 28'' Note: May attract herons during mating season, so remove it during this time.
US$ 85.17
US$ 73.21
US$ 68.29
