Contacted Customer Service through e-mail and got a quick response. Ordering was easy through website.
Pad (coolpad) - side - for: m401 (requir
Pad (coolpad) - side - for: m401 (requires 2 per cooler) (21 1/2 x 26 3/4) sold individually - limited stock 2x
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.