14x14x1 3M Filtrete Ultra Allergen Filter - 2011DC
All filters are manufactured in the US by AAF Flanders, the largest air filter manufacturer in the country. We have been a trusted retailer of AAF Flanders filters for 10+ years and are a recommended retailer for buying direct. AAF Flanders filters are selected for their quality and value by organizations that require the cleanest air possible, including NASA and hospitals.
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We always do our best to display current lead times and keep you up to date on the status of your order. You will receive order confirmation emails, tracking and out for delivery notifications so you always know where your filters are. We carry a very large selection of filters and sizes, some model and size combinations could take up to 10 business days to arrive.
We use UPS as our primary shipping carrier. Larger orders (pallet quantity) will ship via freight LTL using a local delivery service.
Custom filter orders are made to your exact specifications. Please give our team plenty of time to ensure quality craftsmanship. We assure you we want to get you your custom filters as quickly as possible. You should expect delivery within 10 business days, usually much sooner.
Where is my filter located?
Your filter can be located anywhere between the furnace and the where warm or cool air enters the room. Common locations include inside the ductwork, behind vents or in the air handler itself.
What size filter do I need?
Most furnace filters have two sets of dimensions; nominal and actual. If you measure your filter and it's actually 15 1/2" x 24 3/4" x 3/4", you would round up and search based on the nominal dimensions of 16" x 25" x 1". If the nominal size isn't printed on your old filter just measure your filter width, length and thickness. Round up and you'll get the nominal size. We always recommend measuring your filter just to be sure.
Custom size filters
When ordering custom filters submit the exact size down to 1/8" you would like us to make your filters. Please don't submit the nominal size (rounded size) of the filter, submit the actual exact size.
If you prefer to buy in bulk we have you covered with one of the largest selections of AAF Flanders Filters, the leader in indoor air filtration. If you prefer to have a clean filter arrive when it's to time replace your dirty filter we can do that as well with the RTF Filter Subscription Program. Choose when you want your filter to arrive, no more forgetting the filter.
RTF has been improving indoor air and protecting HVAC systems since 2006. Buy in bulk or subscribe today! Free shipping on all orders, subscriptions and bulk.