Our Accumulair 21x21x4 air filter is solely engineered to be compatible with same sized 21x21x4 air filter type. Pleated electrostatically charged filter media traps airborne contaminants according to the MERV standard rating. Free of chemicals. Note: The example filter picture displayed is not to scale and is shown for style only. Catalog and 21x21x4 air filter variations are up to date as of 03/24/2020.
| Quantity of Filters per Case | 3 |
|---|---|
| Efficiency Rating | MERV 8, MERV 11, MERV 13, Carbon MERV 10 |
| Nominal (Actual) Dimensions | 21x21x4 (20.5 x 20.5 x 3.75), 21x21x4 (Actual Size) |
Fast Shipping and Professional Packing
We offer a broad range of shipping options due to our long-standing partnerships with UPS, FedEx and DHL. Our warehouse staff are expertly trained and will wrap your goods in accordance to our precise and precise specifications. Your items are carefully inspected and properly secured before shipping. Every day, we send thousands of packages to clients from all over the world. This is a testament to our commitment to be the biggest online retailer in the world. Warehouses and distribution centers are located in Europe as well as the USA.
Note: Orders that contain more than one item will be assigned a processing date in accordance with the item.
We will carefully examine all items ordered before shipping. The majority of orders are delivered within 48 hours. It is expected that delivery will take between 3 and 7 days.
Returns
The stock is dynamic and we do not fully manage it because several parties are involved, which includes our warehouse and factory. Stocks can be changed at any moment. Please be aware that it's possible that your order could be out of stock after you've placed your order.
Our policy lasts for thirty days. We will not replace or refund your purchase if it has been 30 days since you purchased it.
The item must not be used and in the original packaging. The item must be returned in the original packaging.
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