About This Improves air quality by filtering particles down to 30 microns to help maintain a cleaner and safer work environment. Compatible with 20-inch diameter dust collection systems such as: Compatible with Delta (50-760, 50-761), Compatible with Jet (708698, 708639RC, DC-1100VX-CK, DC-1200VX) Compatible with Oasis (DC1500, DC2000, DC3000, DC5000) Compatible with Shop Fox (W1666) (These units use 19" diameter bags. A 20" bag can be adapted) Compatible with Grizzly (G1029Z2, G1030Z2, G0548ZP) (These units use 19.5" diameter bags. A 20" bag can be adapted), Compatible with King Canada (KC-3105C) Compatible with General International (GL 10-005)(These units use 19.5" diameter bags. A 20" bag can be adapted) Compatible with Harbor Freight Central Machinery (97869, 61790, 59726) (These units use 19.5" diameter bags. A 20" bag can be adapted), and other similar single-stage dust collectors Always confirm the lower bag collar diameter is 20 inches before purchase, as some models may vary by production year or version. Reduces system clogging by maintaining optimal airflow and preventing fine dust buildup inside your dust collector. Clamp-on installation provides quick and secure mounting to most dust collector filter ports (clamp sold separately) | Use with Big Horn 11777 20" Band Clamp for a secure fit. Clamp sold separately and recommended for proper installation Thick felt material can be washed / reused, reducing replacement frequency. | Engineered for high-efficiency filtration and rugged durability. Specifications: Filter Rating: 30 Micron | Diameter: 20" | Size: 29-½" Width x 32" Height | Material: Thick Felt (Washable & Reusable) | Efficiency: 99% Dust Filtration | Dust Capacity: Approx. 5.82 cubic feet. Overview Brand : BIG HORN Material : Horn Compatible Devices : Vacuum Cleaner Reusability : Reusable Number of Pieces : 1