One can purchase Fluval filters at Amazon. There are multiple different makes and models being sold on Amazon, and if one is unsure of what to buy, there are customer reviews as well.
The only Fluval filters I have seen and used are external cannister types and they are amongst the very best perfoming filters available. I have never heard of an in tank Fluval.
One can purchase a Fluval filter from the following retailers: Amazon, Tesco, Fish Fish Fish, Pet Smart, Pets at Home, Pet Co, Sea Pets, Swell UK, Aquatics, Pet Mountain.
One can purchase carbon air filters at an online retailer such as Amazon or eBay. Alternatively, one could purchase carbon air filters directly from a specialty website such as HTGSupply.
One can purchase replacement filters for Brita pitchers directly from the Brita website. Other options include Target, Amazon, Staples, and Walgreens.
One can purchase Blueair filters at home improvement stores such as Home Depot, Rona, Canadian Tire and Lowes. One can also purchase one through Amazon.
If one is wanting to purchase reverse osmosis water filters they are widely available. These filters can be purchased at Aqua Safe Canada, Amazon, Walmart and eBay.
There are a number of places one can purchase an LT600P water filters. Some examples include House of Filters, Filters Fast, GTA Water, Home Depot and Amazon.
Many websites sell water filters. One can order water filters off of the websites of Target, Sears, Home Depot, Filters Fast, eBay, and Amazon. One can also go to local stores to purchase water filters.
There are lots of places you can purchase Hunter Air Filters online. Some of the places where you can purchase them online are at Hunters website itself, Filters Fast, Filters America, Target, Overstock, Amazon and eBay.
One may purchase the IQAir filters from Swiss Pure Air, Walmart or Amazon. These filters are claimed to clean the air's ultra fine particles and provide better quality than standard HEPA type filters.
One can purchase filters for water online in stores like VirginPure. Alternatively, one can look at eBay or Amazon in order to find cheaper filters than in other shops.
You can purchase Aprilaire 501 filters from the Filters America website. Alternatively, you can also purchase these filters from retailers such as Amazon.