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Replacement fish filter for less then 15 cents each
$25 air filtration system
DIY Replacement AIR Filters
Upgrade your pool's filter!
$1 Water Filter in a Bottle
Installing/Replacing a Cartridge Pool Filter
Make an Apartment-sized indoor Compost Bin
Air Filter with ATX Power supply
DIY Simple PVC Sponge Filter for Aquariums!
A Survival Water Filter
Posted:Mar 7, 2009
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