Standard Cold Air Return/Filter kit, fits model 1600G, 1600M, & 1800G. Filter size 20 x 20 x 1.
**Due to the size and weight of ALL United States Stove Company products, we do not offer free shipping on our stoves. You can pick up at any of our locations or you can call Michelle at 1-800-638-9011 for a shipping quote. You may also e-mail her at
info@smithfarmstores.com. Thank you in advance and sorry for any inconvenience that this may cause.**