Pack of 1 containing 8 blue replacement brush heads compatible with Oclean X, X PRO, Z1, F1, One, Air 2, and SE models. Designed as direct replacements to keep your electric toothbrush ready for daily use. Key benefits Compatibility: Works with listed toothbrush models for a reliable fit and secure attachment. Convenience: Eight heads in one pack provide multiple replacements for routine upkeep or sharing among family members with color coding. Practical supply: Keeps spare heads on hand for travel, extended use, or quick swaps when a head is worn. Features and specifications Quantity: 1 pack containing 8 blue heads. Function: Replacement brush heads for compatible electric toothbrush handles. Size and fit: Standard replacement size for the compatible models listed to ensure proper connection and operation. Performance: Intended to restore brushing head functionality and extend the usable life of your toothbrush handle. Use scenarios Travel: Pack a replacement head for trips to avoid carrying a full brush and to maintain convenience on the go. Household use: Use different colored heads to identify individual users and simplify hygiene management for multiple people sharing one handle. Routine maintenance: worn or discolored heads as part of regular toothbrush upkeep to maintain consistent brushing performance. Contents and compatibility Includes one pack with eight blue replacement heads. Compatible with Oclean X, X PRO, Z1, F1, One, Air 2, and SE models. Note: This product is a set of replacement heads only and is intended for use with the compatible electric toothbrush models listed.