Doifyn HE401 Replacement Filter for Shark 4 Fan Air Purifier,Compatible with HE400,HE401,HE402, Replacement Filter Part#HE4FKBAS/HE4FKPET

Brand: Doifyn

Color: HE401-1 Pack

Features:

• 【Precision Compatibility】Engineered for Shark Advanced Odor Lock 4-Fan Air Purifiers ，✅Compatible Shark Air Purifiers models: HE400, HE401, HE401C, HE401NP, HE402, HE402AMZ, HE402C, HE405, UA415，✅Replaces Part Numbers: HE4FKBAS, HE4FKPET, HE4FKPETMB, HE4FKPRO, and 100356-chn-1 filters.❗❗❗Please confirm the model again before purchasing to avoid damage to the device due to product incompatibility.
• 【Triple-Layer Purification】 The HE401 series replacement filter designed specifically for Shark Air Purifier 4 combines Replacement Filter, pre-filtration and activated carbon triple purification technology.① Microfiber Pre-Filter: Traps large particles (dust/hair) ②Replacement Filter: Captures 99.97% of 0.3μm particles ③Dual-Activated Carbon Matrix: Neutralizes odors from cooking/pets，One core solves the dual challenges of particulate matter and odor, creating a healthy breathing space.
• 【Tool-Free Installation】: When the "Filter Life" indicator flashes, quickly complete the replacement: ①No tools required: The HE401 filter is simple in design and can be removed by hand in just a few minutes②System reset: After installation, press and hold the control panel button for 3 seconds, and confirm the reset when you hear the prompt tone ③Performance optimization: High-density pleated structure, airflow efficiency increased by 30%, long-term purification without burden It is recommended to update the filter every 6-12 months to ensure that the purification efficiency is always at its peak
• 【Single-packaging for fresh-keeping·Zero-burden trial】①Vacuum fresh-locking packaging: Independent moisture-proof sealing technology, the filter element is not opened and the activity is not lost, and it can be opened immediately after use.②Worry-free decision-making: No need to stock up, and decide on the long-term maintenance plan after trial ①Controllable cost: single-piece investment to verify the purification effect, refuse blind consumption ②Replace and clean immediately: Quick response to sudden pollution or allergy season, without delaying purification efficiency ③Free storage: Flat packaging design, easy storage in drawers/cabinet corners without taking up space
• 【90 days long warranty】①Within three months from the date of receipt, non-human damage supports return and exchange ②If there is a process defect in the filter element, a new one will be sent within 48 hours ③Exclusive customer service is online 7×12 hours, and complex problems are closed within 72 hours. Filter made of FSC-Certified paper.

Binding: Automotive

model number: HE401-1Pack

Part Number: /

Package Dimensions: 17.2 x 15.2 x 2.0 inches