This Filter Hut Accumulair 13.25x13.25x4 air filter is specifically designed to be compatible with same sized 13.25x13.25x4 air filter specification. Pleated electrostatic charged filter media traps airborne contaminants according to the MERV standard specification. Free of chemicals. Note: The sample filter image shown is not to scale and is displayed for construction purposes. Current stock and 13.25x13.25x4 air filter specs last verified on 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.