★Compatible Printers: For Hp W1107a For 107a 107w Mfp 135a 135ag 135w 135wg 137fnw 137fwg Printer. Please check the toner cartridge model and applicable printer model carefully before purchasing ★Page Yield:1,100 Pages for Black Toner at 5% Coverage (Letter/A4) ★Complete testing system: All toner cartridges have undergone strict quality inspection from raw materials to products, ensuring reliable quality and providing perfect compatibility. ★Our toner cartridges deliver quality printing, give you vivid and natural prints. ★Print Performance: Clear and consistent. Toner cartridge transfer rate is higher than 90 percent; waste toner rate is less than 5 percent.