Crucial Vacuum 1 Rainbow Rexair E & E2 HEPA Filter Fits Rainbow Rexair E & E2 Series Vacuum Cleaners; Compare to Rainbow Rexair Vacuum Part# R7292 and R12107B; Designed & Engineered High quality replacement HEPA neutralizer filter designed to fit the older style, earlier Rainbow Rexair E-Series vacuum cleaners along with Rainbow Rexair E2 models with Serial numbers before 9280000. Rectangular filter with plastic frame, measures approximately 7 inches by 6.5 inches. High quality replacement HEPA neutralizer filter designed to fit the older style, earlier Rainbow Rexair E-Series vacuum cleaners along with Rainbow Rexair E2 models with Serial numbers before 9280000