General description These disposable dust bags are designed for perfect compatibility with various models in the i1+, i3, i4, i6, i7, i8, s9, and j7 series. Engineered to fit seamlessly, they ensure efficient operation and compatibility across multiple vacuum models. Technical specifications Filtration technology: Melt-blown fabric and non-woven fabric Dust trapping efficiency: 99.9% of fine dust and particles Capacity: Holds up to 30 bins of dirt Pack size: 20 pieces of replacement vacuum bags Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with: i1+ (1552), i3, i3+ (3550), i4, i4+ (4552), i6, i6+ (6550), i7, i7+ (7550), i8, i8+ (8550), s9, s9+ (9550), j7, j7+ (7550) Installation User-friendly installation: Each bag snaps into place easily without hassle Usage Designed for efficient cleaning and reduced mess during vacuuming Economical choice for maintaining vacuum performance without frequent purchases Other information Color: As shown Material: