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Price history

Recorded from verified retailer catalog checks. Price and availability can still change at checkout.

+55.6%
Current$139.99
Lowest recorded$69.98
Highest recorded$139.99
Observations4
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  1. Open the deal page at Amazon and confirm the listed variation/size.
  2. Apply coupon code EWK3TI3H at checkout before placing the order.
At a glance

Price summary

Current price$139.99
Last checked Sep 16, 2026 9:22 AM
Product highlights

What makes this deal worth a look

  • Powerful Large-space Purification Capacity

    The KOIOS air purifier is engineered specifically for use in large areas of your home. As a powerful air purifiers for home, it delivers an effective airflow of 2,500 square feet per hour, rapidly circulating and cleaning the air in living rooms, large bedrooms, garages, offices, classrooms, gyms, and dance studios. The hepa air purifier brings fresh air into your home and refreshing every corner of the space.

  • PM2.5 Real-Time AQI + Auto Mode

    This air purifier large room features a PM2.5 sensor, a large display and a 4-color indicator, giving you immediate air quality data so you always know indoor conditions. Auto mode adjusts fan speed automatically based on live readings — less guesswork, more confidence. Whether cooking in the kitchen, playing with pets, or putting kids to sleep — Auto mode detects pollution and adjusts speed instantly.

  • Washable Pre-filter & Filter Replacement Indicator

    The washable pre-filter can be rinsed to cut replacement filter costs. This true H13 HEPA air purifier with activated carbon filter targets dust, dander, smoke, and smells. If you need air purifiers for home pets or to reduce secondhand smoke, KOIOS AP2503 air purifier is your ideal choice. Note: the filter change light reminds you every 3-6 months, then you could search for B0GTPP3KBR to get genuine filters.

  • Sleep Mode, Display Off, 1-12h Timer Setting

    The air purifiers for bedroom use feature ultra-quiet operation and customizable controls. With a one-touch Sleep mode, noise drops to as low as 20 dB, perfect for light sleepers and nursery use. The 4-speed fan, "Display Off" feature, and 1–12 hour timer setting give you complete control over operation. Put your child to bed, tap Sleep mode, and set the timer for 8 hours. The air cleaner runs quietly through the…

  • Thoughtful, Easy-Use Design & Safety Certifications

    Every detail is designed for real-life homes. Child Lock, anti-skid pads + rounded corners are friendly for kids, while the removable aroma clip comes with 5 extra pads for a touch of essential oils. A hidden carry handle makes it easy to move between rooms. Quick-swap filter access and an easy control panel make maintenance effortless. Beyond design, this air purifiers for home meet FCC, EPA, CARB, and DOE standa…

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  • Worth Repeating

    Better material, easier maintenance. The hepa air purifier's washable pre-filter uses high-quality nylon. Unlike sponge or felt that’s hard to clean, easy to deform, and slow to dry, this nylon filter can be rinsed and brushed repeatedly — it holds its shape, dries almost instantly, and clicks in with one touch. It extends HEPA and Activated Carbon filter life, cuts replacement costs, and makes maintenance a breez…

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