Drs. Foster and Smith 200-Micron Felt Filter Bags 7" Round | Filter Media at DrsFosterSmith.com
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Drs. Foster & Smith 200-Micron Felt Filter Socks 7" Round

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Drs. Foster & Smith 200-Micron Felt Filter Socks 7
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Overview
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Smartly priced filter bags for sump style wet/dry aquarium filters
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200-micron filter bags provide fine mechanical & biological filtration
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Enjoy routine filter media replacement with hobby-friendly savings

Keep routine filter maintenance simple and under budget. Drs. Foster and Smith 200-Micron Felt Filter Bags offer a sensibly priced solution, so stop reusing old or worn filter bags! Easy-to-install mechanical pre-filter bags are great for any sump filtration system. Install over filter drain pipes to trap and remove free-floating debris and ammonia-producing organic matter from your aquarium water column. 200-micron polyester felt filter bags also keep larger objects (sand, rubble, snail shells) from entering the pump chamber, helping to prevent costly pump damage. Drs. Foster and Smith 200-Micron Felt Filter Bags measure 7" dia x 16" long, and are available individually, in a 3-pack, or in a 6-pack. Drs. Foster and Smith 200-Micron Felt Filter Bags are also available in a 4" dia x 12" long size.

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Benefits of Mechanical Filtration
Mechanical filtration can greatly improve the health of most aquariums, and is also important for efficient biological filtration. The process is simple: mechanical media traps solid debris such as fish excrement, sludge, uneaten food, or dust from your aquarium as water passes through. Debris-laden media can then be mechanically removed and rinsed or replaced with ease. This not only reduces the amount of solid debris in your water but also prevents debris from rapidly clogging biological media and creating conditions that prevent efficient breakdown of waste.

About Drs. Foster and Smith
Centered in the heart of beautiful Northern Wisconsin, Drs. Foster and Smith is the largest direct-to-your-door pet supply source in America. Thanks to your continued support, Drs. Foster and Smith is honored to have been providing quality at-home pet healthcare and everyday essentials at prices everyone can afford for over 30 years. What started out in 1983 as four modest animal hospitals in rural Wisconsin is now a thriving effort to educate and empower families nationwide with products for your pets selected by our veterinarians.

Ratings & Reviews
Articles
Mechanical filtration can greatly improve the health of most aquariums, and is also important for the efficiency of your biological filtration. The process is simple: mechanical media strains solid debris.
Biological filtration is the action of bacteria breaking down dangerous ammonia, converting it to nitrite, and then converting nitrite to less toxic nitrate. This article discusses how the process works.
While most aquarists agree biological filtration is imperative for your aquarium's health, not all agree that mechanical and chemical filtration is absolutely necessary.
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