Our Service: If you have any problems related to this F170 Maintenance Tank, contact our service and you will get response within 12 hours. What's in the box: Replacement Maintenance Tank (Ink Pad Sponge Included) * 1, Extra Sponge Absorbant Pad * 1, Dual head screwdriver * 1, Seal bag * 1. Everything you need to replace the maintenance box is in the box, easy to do. Worry-free: Super absorbant sponge and high strength tank body holds more waste ink strongly. Compatible for ET-2720 ET-2803 ET-2800 ET-2711 ET-4700 L3110 L3210 L3150 L3250 etc. printers. For more unlisted printer model, contact our service to check if it fits. A replacement maintenance box and extra waste ink pads to solve your printer error code "Waste Ink Pad End Of Service Life".