3-Layer Purification Filter Box with HEPA & Carbon Filter – 4"/6"/8"

🌬️ Clean air starts with the right filter! This 3-layer purification filter box combines HEPA and activated carbon filtration for your ventilation system — available in 3 duct sizes.

• ✅ 3-layer filtration: pre-filter + HEPA + carbon
• ✅ Sizes: 4" (100mm), 6" (150mm), 8" (200mm)
• ✅ Available as filter box or spare filter set
• ✅ Compatible with standard ventilation systems
• ✅ Ships from China Mainland

🔍 Filter smarter. Breathe cleaner!

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Easy Return Process — contact us to initiate a return.

Full Refund processed within 5–7 business days.

Free Return Shipping on eligible items.

Easy Exchanges available for size or product changes.

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