ComboInk offers this refurbished HP 932XL- and 933XL-Compatible Inkjet Cartridge 4-Pack for $36.96. Coupon code "CIDEAL932" cuts it to $23.96. Shipping adds $3.99, or get free shipping on orders of $50 or more. This set features one each of black, cyan, magenta, and yellow ink cartridges. A 1-year ComboInk warranty applies. Deal ends April 20.