Yes, we do! There are two automatic bulk discounts so there is no need for codes. 1. Buy 4 or more Smart Air Sqair filters and get 15% off. The 4 filters can be any combination of HEPA and Carbon filters for the Smart Air Sqair. 2. We also have a case pack discount for the Sqair. If you purchase 12 HEPA filters you will get an automatic 20% discount.