Size: The outer diameter is 5-3/4 inches, height is 5 inches. Compatible with Shop-Vac brand 1-4 Gallon wet/dry vacuums (except models J200A, K250, KA450, L250, MACM-250, MACS-200D, MC150A, MC12V1800, 1x1, Micro, HangOn, HangUp Mini, All Around, All Around Ez), 5 Gallon* portable model H87S, 5 Gallon* HangUp, 5 Gallon* Wall Mount and 6 Gallon* long life model P12S vacuums. Premium Quality&High Efficiency: Made of premium quality nanofiber filtration paper. It is up to 5 times more efficient than the standard cartridge filter Durable&Reusable: It can be easily cleaned with mild water, and then dried in the sun to be reused. High-quality manufacturing ensures that your expense is worthwhile Easy to Install: You can remove the old filter without any tools. In addition, it is recommended to replace the filter element every 4-5 months according to the usage, so that your vacuum cleaner will run like a new one Application: For both dry&wet use. It can be used in a variety of scenarios such as home, office and industry.The pleated vacuum filter is ideal for collecting everyday dirt, sawdust, and pet dander, helping keep your environment cleaner and healthier