https://sellout.woot.com/offers/creality-space-pi-plus-filament-dryer?ref=w_ngh_mc_itm_is_1_tl Creality Space Pi Filament Dryer Plus for 2-Spools (up to 70C) on sale for $50.99. Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.