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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
It reads in microwatts per square centimeter
Large porous surface area supports expansive beneficial (nitrifying) bacteria growth
The output of the controlled pumps is shown by an LED display indicating from 30 to 100 per cent
It possesses the highest level of soluble potassium of all competing brands while exhibiting the lowest levels of both aluminum and phosphorus
Blue Planet Filter Box R-020 / FB-020 - Classic 20, Hexy Midi, Delta & Betta Plus Ocean Free Spare Part It reads in microwatts perReplacement filter box R 020 FB 020 for the original Classic 20 (not the LED model), Hexy Midi, Delta & Betta Plus. Includes box, lid & cartridge media. Pipe sets and outlet pipes are available separately. Please check the code on your filter box prior to ordering a replacement, as filter boxes may vary depending on when the tank was manufactured. The code is located on the filter box lid, or measure it and use the dimensions below to ensure yours
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