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Help prevent the spread of illness with this Blueair Classic 400 Series DualProtection filter. The HEPASilent technology captures pollen, bacteria and host of other unwanted particles, while the high-porosity coconut carbon effectively removes odors. This Blueair Classic 400 Series DualProtection filter uses no added chemicals to provide a natural cleaning solution.
They seem to be all over Ontario now. Unfortunately I "worked" for them for half a day before walking out on the "trainer" and calling him out on his scamming bullshit, and almost punching him in the face. Their whole pitch is designed so that they don't give you a chance to respond, and just force their way into your basement and into your home. DO NOT LET THEM IN!!!
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You remove the good bacteria colony every time you replace the cartridge. It will always grow back, but it takes time. HOB filters have multiple cleaning steps, so they do take a little more maintenance than some other types of filters (like sponge filters, for example). And one of the most common complaints about HOB filters is the noise (They have gotten much quieter over the years, there’s still hope!).
Similar to fiberglass filters, disposable pleated polyester filters have a sizable surface field and a rating of 5 to 13. The pleats increase the surface area and make the furnace filters more efficient at capturing airborne particles. A pleated air filter with a medium efficiency rating can filter small to large particles. Filters with a rating of 7 to 13 provide a level of effectiveness compatible with absolute high-efficiency particulate air (HEPA) filters, but at a lower price point.
You remove the good bacteria colony every time you replace the cartridge. It will always grow back, but it takes time. HOB filters have multiple cleaning steps, so they do take a little more maintenance than some other types of filters (like sponge filters, for example). And one of the most common complaints about HOB filters is the noise (They have gotten much quieter over the years, there’s still hope!).

This is not formally a filter, but its operation will affect your air quality, and it may have a screen or a sponge that can get clogged.   Check the manual to see how it operates.    Many older furnace mounted humidifiers have been neglected or abandoned.   See if yours works; call a heating specialist to service it if you are not sure.   Winters in Toronto can be pretty dry and it is best if you can keep the humidity level in your home between 35 – 50%.


actually i want your help i am a beginner and i want to buy a fish tank i live in Saudi Arabia and i am looking to have one but the problem is i put some criteria to buy and i wish that u help me first i want a 200 glon tank with a built in cleaning and pump system with an lcd monitor to control the fish tank fatuers like temp , i can order it online so if you can give me the links and where to buy it
The best water filter solutions are known as Whole House Water Systems or Point-of-Entry Systems. They are perfectly suited for those looking to address water problems before the water enters the home. Thus, all water is cleaned whether for cooking, drinking, laundry, bathing, or watering the vegetable garden. This means that every faucet in the home (and even outside faucets) delivers clean, safe, great tasting water!
Despite anything, management tells you. By accepting this job you have decided you are a door to door salesman. Did not start this way, new management in the last few years has run this company reputation into the ground. No more company appointments, they expect you to sell all your family and then become a door to door salesman. 100% commission, job that requires you to work 6 days a week. Just a matter of time... for the lawsuit. Same goes for Chatsworth and Anaheim offices. Do yourself a favor and stay away from this company. You will burn through your savings.

I have been using washable filters for 15 years. They are simply blasted out in my driveway with a hose (opposite of airflow), drained about 10 minutes and put back in the furnace. The furnace dries the filter out in minutes, so bacteria is never a concern. We wash them once a year, as we only run the furnace for about 3-4 months in the winter and only then about half time (live in California). Not only does it save replacing them, but saves a trip to the store, which is probably the most environmentally part. I recently had the furnace looked at by an installer and he stated we had very little dust buildup since it was last checked 9 years ago. If we need clean air in our house, we open it up for an hour or two - on warm days of course. Simple. Washable filters are cheap and environmentally friendly. Think about what happens to all those disposed of filters you toss!
We offer only the finest water filters, many of which are ANSI/NSF Tested and Certified. Also we offer reverse osmosis systems, whole house water filters, HEPA air purifiers, refrigerator water filters and air conditioning/furnace filters...all personally tested and approved by our knowledgeable staff. We've narrowed our selections to include only the top-rated brands in the marketplace. We do our due diligence. so you don't have to...after all our name is BestFilters. Questions about water filtration or air purification send an email to [email protected]. 
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