iRobot High-Efficiency Filter (s9 series)
Quick answer
iRobot High-Efficiency Filter (s9 series) is officially compatible with s9+ (9550) and s9 (9150).
Compatible models
iRobot s9+ (9550)Compatible
Evidence (2) — verified 2026-09-14
- For Roomba Replacement Parts S9 S9+ Vacuum Cleaner - 8 Filters & 8 Side Brushes — Lists filters for s9+ (9550).
- LAIMAI Replacement Parts for iRobot Roomba s9+ (9550) S9 (9150) — Independent listing confirming the same filter grouping.
iRobot s9 (9150)Compatible
Evidence (1) — verified 2026-09-14
- Replenishment Kit for Roomba s series (SKU 4646124) — "Compatible with Roomba s Series Robot Vacuums only." Kit includes 3 High-Efficiency Filters, 3 Corner Brushes, and 1 Set of Dual Multi-Surface Rubber Brushes.