2.5 Gal HEPA BackPack Vacuum SKU: D1505 $581.49 The 4-layer HEPA Filtration System - Capturing 99.9% of Dust for OSHA compliance.External Filter Cleaning Mechanism - OSHA compliant and allows for easy filer cleaning.Lightweight, Durable Construction - Built for long-term use with less physical strain on the user.Comfortable 3-Point Harness - Provides superior support for extended use without discomfort.Effective Dust Containment - Multiple layers ensure hazardous dust stays inside the canister.Perfect for Housekeeping & Construction Cleanup - Ideal for dust & drill hose with HEPA filtrationClosed Filter Bags Included - Securely seal hazardous dust for safe disposal.2.5-Gallon Canister - Compact, high-capacity design for efficient cleanup.360-Degree Hose Rotation - offers complete mobility for easier, more flexible use.