Compatible Models: Dust bags for S7 MaxV Ultra / S7 Pro Ultra / + / Max+ / Q5+ vacuum cleaner, perfect replacement for . Premium Materials: S7 MaxV Ultra dust bags are made of high-strength 3-layer filter layer made of ultra-fine blown fibers and 2-layer non-woven fabrics. The + dust bag has strong sealing property, improved sealing inlet hole and well-sealed edge. Safe Environment: Max+ dust bag has strong sealing properties and easy disposal without dust cloud. It greatly retains dust, dirt and waste and prevents them from recirculating into the air of your home. Easy to Install: The replacement and installation method is the same as the accessories. It can be perfectly compatible with the vacuum cleaner. Snap it on for replacement and effortless. There is no need to worry about installation. Value Pack: Regularly replacing the vacuum cleaner parts will improve the overall performance of your vacuum cleaner. Material: Plastic Color: As shown Package Contents: 1 Pair of Roller