SlimPro i4 Replacement Brush Heads – FirmPlus

Keep your smile extra clean with SlimPro i4 FirmPlus Replacement Brush Heads. Designed for a deeper, more powerful clean, these firmer soft bristles help remove stubborn plaque and surface stains while remaining safe on gums and enamel.

Made specifically for the SlimPro i4 sonic electric toothbrush, each replacement head works with high-frequency sonic vibrations to deliver a thorough, dentist-style clean at home or on the go.

Why You’ll Love FirmPlus Replacement Heads

Deeper, More Powerful Clean
Firmer soft bristles provide stronger contact with teeth to help lift away stubborn plaque, buildup, and everyday stains.

Still Gentle on Gums
Designed to clean thoroughly without harsh scrubbing, offering enhanced cleaning power while remaining safe for daily use.

Boosted Sonic Performance
Works with SlimPro i4’s sonic vibrations to clean along the gumline and between teeth for a polished, fresh feeling.

Quick & Easy to Replace
Simple snap-on design lets you swap heads in seconds for hygienic, consistent brushing.

Features & Technology

FirmPlus Bristles
Firmer soft bristles deliver stronger plaque removal and improved stain control while protecting enamel.

Sonic Cleaning Performance
Optimised for SlimPro i4’s 20,000 vibrations per minute to enhance debris removal and polishing action.

Precision Compact Head
Slim head shape easily reaches tight spaces, along the gumline, and back teeth for a thorough clean.

Secure Snap-On Fit
Locks firmly onto the handle for stable, reliable brushing with no wobble.

SlimPro i4 Compatible
Designed specifically for SlimPro i4 sonic electric toothbrush handles.

Compare Our Brush Head Types – Find Your Perfect Fit

SoftPlus – Ultra-Gentle for Sensitive Gums
Extra-soft bristles for sensitive gums, tender teeth, and gentle everyday care.

FlexSoft – Balanced Comfort & Cleaning
Medium-soft bristles for daily comfort and effective plaque removal.

FirmPlus – Deeper Clean, Still Gentle
Firmer soft bristles for stronger plaque removal and stain control.

OrthoCare – Designed for Braces & Orthodontic Needs
U-shaped bristles wrap around brackets and wires for more precise orthodontic cleaning.

What’s Included

• 3 × FirmPlus Replacement Brush Heads

Three fresh brush heads provide up to 9 months of dentist-recommended replacements for consistent, hygienic brushing.

Product Details & Specifications

• Bristle type: Firm Soft (FirmPlus)
• Compatibility: SlimPro i4 sonic electric toothbrush
• Attachment: Snap-on push fit
• Recommended replacement: every 2–3 months
• Designed for: deeper plaque removal and stronger cleaning feel

FAQs

Are these compatible with SlimPro i4?
Yes. These replacement heads are designed specifically for SlimPro i4 toothbrush handles.

How often should I replace the brush head?
Every 2 to 3 months, or sooner if the bristles fray.

Who are FirmPlus heads best for?
Ideal for those who prefer a stronger brushing feel or want deeper plaque and stain removal while still being gentle on gums.

How do I attach a new head?
Press the replacement head straight onto the handle until it clicks securely into place.

How many brush heads come in the pack?
Each pack includes 3 FirmPlus replacement brush heads.

Care & Safety

• Replace regularly for hygiene and best performance
• Do not use damaged or loose brush heads
• Rinse thoroughly after each use and allow to air dry
• Keep out of reach of children