Our Accumulair 30x30x4 air filter is specifically built to be a replacement for same sized 30x30x4 air filter type. Pleated electrostatic charged filter material traps contaminants according to the MERV rating. Chemical free. Note: Sample filter image as shown is not to scale and is shown for construction purposes only. Current stock and 30x30x4 air filter statements last updated 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.