ZVac Compatible Ridgid VF4000 Replacement Filter for Ridgid VF4000 Filter for Wet/Dry Vacuums. Premium Generic Ridgid Shop Vac Filter Replaces Ridgid Filter VF4000 VF5000 VF6000 72947 72952 20163 PREMIUM QUALITY - ZVac Ridgid VF4000 Replacement Filter is Also A Ridgid VF5000 Replacement Filter as Well as A Ridgid VF6000 Replacement Filter! EXACT FIT - Replaces These OEM Ridgid Shop Vac Filter Part Numbers 72947, 72952, 20163, VF-4000, VF-5000, VF-6000, 335149, 100021159, 1000055534, 100075119, 335151, 100022800, 376914, 1000707332, VF7816, 204960484, 1000045216 & More! Fits All Ridgid Wet/Dry Vac 5 Gallons to 20 Gallons! Designed, Developed & Engineered by ZVac in America, Made in PRC.