【Excellent Quality Nonwoven】Practical dry filter bag is constructed from quality nonwoven , effectively blocking particles to protect the motor and extend its service life 【Multi Brand Compatibility】Nonwoven vacuum filter bag replacement part numbers : VF2000 , WS01025F2 , 9-38737 . Compatible with 2.5 gallon HV0200 ; 4 gallon WD2000 , WD2010 , WD2025 ; 5 gallon BH0100 ; 2.5 gallon WS0250VA ; 4 gallon WS0400SS ; 5 gallon WS0500VA , and more 【Set Contents】The set includes 40 dry filter bags , 10 retaining bands , and 1 cleaning brush to meet full maintenance needs 【Versatile Range of Usage】Dry vacuum filter bag must not be used when wet ; be sure to detach it when vacuuming water or wet objects ; intended only for large particle dry waste (chips , scraps , and more) ; not suitable for fine dust like cold ash , plaster powder , or cement dust 【No Hassle Installation】Safe vacuum cleaner filter bag features a band reinforcing locking design to ensure a secure fit and quick installation onto the filter cage assembly