--- product_id: 483052748 title: "Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement" brand: "ontheone" price: "HK$793" currency: HKD in_stock: true reviews_count: 5 category: "Ontheone" url: https://www.desertcart.hk/products/483052748-ontheone-f8-s-pre-filter-true-hepa-replacement-filter-compatible store_origin: HK region: Hong Kong --- # F8 Pre-filter traps large particles True HEPA filters 99.97% down to 0.3 microns Tool-free easy installation Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement **Brand:** ontheone **Price:** HK$793 **Availability:** ✅ In Stock ## Summary > 🌬️ Elevate your air game—breathe smarter, live better! ## Quick Answers - **What is this?** Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement by ontheone - **How much does it cost?** HK$793 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/483052748-ontheone-f8-s-pre-filter-true-hepa-replacement-filter-compatible) ## Best For - ontheone enthusiasts ## Why This Product - Trusted ontheone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Value:** Top-rated quality at a fraction of OEM cost—join thousands breathing easier without breaking the bank. - • **Effortless Upkeep:** Replace every 8-12 months with zero tools needed—clean air made simple. - • **Dual-Stage Defense:** Pre-filter captures dust & pet fur, HEPA nails microscopic pollutants for pristine air. - • **Seamless Compatibility:** Perfectly fits IQAir HealthPro Series 1st stage filter—no guesswork, just pure performance. - • **Premium Mesh Technology:** Upgraded smaller mesh density traps finer impurities, extending your HEPA filter’s lifespan. ## Overview The Ontheone F8 (S) Pre-filter True HEPA Replacement Filter is a premium, compatible upgrade for IQAir HealthPro Series air purifiers. Featuring dual-stage filtration, it traps large particles like dust and pet hair while the True HEPA layer captures 99.97% of microscopic pollutants down to 0.3 microns. Designed for easy, tool-free replacement every 8-12 months, this fiberglass filter enhances air quality and extends the life of your main HEPA filter—all at a fraction of the OEM price. ## Description Fully compatible with the following model:This F8 PreMax Pre-filter Replacement are compatible with IQAir HeathPro Series 1st Stage Filter. This F8 True HEPA Filter system contains 2-stage filtration: Pre-filter: Traps larger particles in the air like dust, hairs, pet fur, lint, and more True HEPA Filter: Captures 99.97% of airborne particles down to 0.3 microns. Using high efficiency air cleaner filters and replacing the filters regularly will help optimize air cleaning performance. Replace your PreMax Pre-filter True HEPA Filter System every 4-6 months for optimal performance. Package inclued: 1 Pack premium filter This is not a OEM product. The brands and logos are the registered trademarks of their respective owners. Any use of the brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Review: Perfect fit for a fraction of the price - These fit thr IQ air filter perfectly for a fraction of the OEM price. I have bought this several times and am very happy with the quality. Review: Premax Filter 👍🏻 👍🏻 - Great product, does NOT SMELL CHEMICALLY as another buyer has said. Product seems to be working very well and way cheaper than IQAir products! Give this Brand a try! Works great! ## Features - COMPATIBILITY：This F8 (S) Pre-filter True HEPA Replacement Filter is compatible with IQ Air HeathPro Series 1st Stage Filter - FILTRATION: F8 (S) Pre-filter filters larger particles in the air like dust, hairs, pet fur; HEPA Filter filters 99.97% of airborne particles down to 0.3 microns in size such as pollen, dirt, pet dander - EASY TO INSTALL: The F8 Pre-filter HEPA filter is easy to replace and dispose of without any tool required. Replace every 8-12 months depending on the usage and environment - PREMIUM QUALITY: The upgraded prefilter has a smaller mesh density and filters smaller impurities and particles. Prefilter replacement lengthens the life of the more powerful filters - CUSTOMER SERVICE: If you have any questions about the F8 Pre-filter replacement filter, please feel free to contact us, we are willing to offering top-quality products and high-quality customer service ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BDZB3PGC | | Best Sellers Rank | #228,153 in Kitchen ( See Top 100 in Kitchen ) #1,189 in Air Purifier Filters | | Brand | Ontheone | | Brand Name | Ontheone | | Compatible Devices | Air Purifier | | Compatible devices | Air Purifier | | Customer Reviews | 4.6 out of 5 stars 70 Reviews | | EU Spare Part Availability Duration | 12 Months | | Item Dimensions L x W x Thickness | 12.7L x 12.7W x 12.7Th centimeters | | Item Weight | 650 g | | Item weight | 650 g | | Manufacturer | Ontheone | | Manufacturer Part Number | F8-1 | | Material | Fiberglass | | Material Type | Fiberglass | | Model Number | F8-1 | | Number of Items | 2 | | Product Grade | new | | Product dimensions | 12.7L x 12.7W x 12.7Th centimeters | | Unit Count | 1 Count | ## Product Details - **Brand:** Ontheone - **Compatible devices:** Air Purifier - **Item weight:** 650 g - **Material:** Fiberglass - **Product dimensions:** 12.7L x 12.7W x 12.7Th centimeters ## Images ![Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Image 1](https://m.media-amazon.com/images/I/61r0HobEH2L.jpg) ![Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Image 2](https://m.media-amazon.com/images/I/71eSbRTw8BL.jpg) ![Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Image 3](https://m.media-amazon.com/images/I/71GQjZjXGFL.jpg) ![Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Image 4](https://m.media-amazon.com/images/I/71C8IMTI6JL.jpg) ![Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Image 5](https://m.media-amazon.com/images/I/71sBFtvBrmL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect fit for a fraction of the price *by G***N on 5 April 2026* These fit thr IQ air filter perfectly for a fraction of the OEM price. I have bought this several times and am very happy with the quality. ### ⭐⭐⭐⭐⭐ Premax Filter 👍🏻 👍🏻 *by B***Y on 24 January 2025* Great product, does NOT SMELL CHEMICALLY as another buyer has said. Product seems to be working very well and way cheaper than IQAir products! Give this Brand a try! Works great! ### ⭐⭐⭐⭐⭐ Works fine *by R***H on 2 June 2026* Seems to work just fine. A lot cheaper than the name brand. ## Frequently Bought Together - Ontheone F8 (S) Pre-filter True HEPA Replacement Filter Compatible with IQ Air HeathPro Series Pre-Filter (F1), True HEPA First Stage Replacement - Filter-Monster - Replacement HEPA Air Filter - Compatible with IQAir HealthPro Series V5-Cell Gas & Odor Filter - WILERDA For IQAir HyperHEPAH Replacement Filter Compatible With IQAir Filter Replacement HeathPro Series Stage 3 F1 H13 True HEPA --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/483052748-ontheone-f8-s-pre-filter-true-hepa-replacement-filter-compatible](https://www.desertcart.hk/products/483052748-ontheone-f8-s-pre-filter-true-hepa-replacement-filter-compatible) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-07-04*