INCLUDES: 12 pcs 23738 Replacement VF3501 shop vac bags Compatible with Ridgid Workshop 3 to 4.5 gallons vacuums. Fits Ridgid 3 Gal portable vacs: WD3050, VAC3000. // 4 Gal wet/dry vacs: WD40500, WD40700 & VAC4000, WD4080 & VAC4010, 50313. // 4.5 Gal ProPack vacs: WD45500 & WD45220, 50318. // 6 Gal NXT wet/dry vacs: HD0600, RT0600. Main Function: Captures 99.97% of particles and more, down to 0.3 micron.Designed for daily cleaning up. Easy To Use:No need other tools, easy to replace. Inner End Collar avoid dust and particles escape to outside. Recommend: Replace bags routinely for optimal performance or 3 to 6 week replaced depending upon usage.