Check out our 1 Butterfly Labs Promos and Coupon Codes
Butterfly Labs: pre-order a product in the first month, you will receive a voucher for a 25% off on your next future of order. No discount code is required. Valid from June 23rd to July 24th...more...less
Butterfly Labs: Pre-order from July 25th to August 25th, you will receive 10% off on your future of order.