{"product_id":"7th-science-gear-ad3500-replacement-filter-set-4-pack-for-ad3500-3500i-purifiers-1-true-filter-1-carbon-filter-2-pre-filters","title":"7th Science Gear AD3500 Replacement Filter Set | 4-Pack for AD3500\/3500i Purifiers (1 True Filter, 1 Carbon Filter, 2 Pre-Filters)","description":"\u003ch2\u003eUpgrade your AD3500 air purifier with a complete 4-pack filter set\u003c\/h2\u003e\n\u003cp\u003eFrom 7th Science Gear, this replacement bundle is engineered for the AD3500 family, including AD3500, 3500i, and compatible models. The fit is precise, helping your purifier maintain strong performance without guesswork or tools. Whether you’re refreshing after a season of use or preparing for regular maintenance, this kit puts replacement parts at your fingertips.\u003c\/p\u003e\n\u003ch3\u003eWhat’s inside this 4-pack\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 genuine main filter tailored for the AD3500 series\u003c\/li\u003e\n  \u003cli\u003e1 activated carbon filter built from FSC-certified wood to help address common odors\u003c\/li\u003e\n  \u003cli\u003e2 washable pre-filters to capture larger debris before reaching the main filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this set offers value and practical benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatibility you can count on: designed for AD3000\/AD3500, 3500i, 3000M, and 3000Pro models for a snug, effective fit\u003c\/li\u003e\n  \u003cli\u003eMulti-stage filtration works in harmony: the ultrafilter layer targets fine dust, seasonal pollen, and pet dander, while the carbon filter tackles odors from cooking, pets, and smoke\u003c\/li\u003e\n  \u003cli\u003eOdor management without guesswork: FSC-certified wood carbon filtration adds an eco-friendly touch to odor control\u003c\/li\u003e\n  \u003cli\u003eTwo washable pre-filters extend the life of the main filter by catching larger particles early\u003c\/li\u003e\n  \u003cli\u003eConvenient 4-pack in one bundle: enough supplies for multiple replacements and ongoing purification without frequent reorders\u003c\/li\u003e\n  \u003cli\u003eEasy installation and maintenance: snap them in place with no tools required, and plan replacements every 6–12 months based on use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith this kit, you can keep your air purifier performing near its best while maintaining a comfortable indoor environment. The combination of a dedicated main filter, carbon odor control, and washable pre-filters offers a practical approach to routine maintenance, backed by real-world usability and a straightforward replacement cadence. 7th Science Gear aims to help you sustain clean air with thoughtfully designed replacements that fit your AD3500 series purifier without complications.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the 4-pack replacement set?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes 1 main filter, 1 carbon filter, and 2 washable pre-filters, compatible with AD3500, AD3000, 3500i and related models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replacement is recommended every 6–12 months depending on usage and air quality; washable pre-filters can be cleaned and reused.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"7th Science Gear","offers":[{"title":"Default Title","offer_id":51679142248765,"sku":"B0G2PZZ7DB","price":83.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/7th-science-gear-ad3500-filter-set-true-filter.jpg?v=1778144727","url":"https:\/\/loftwyn.com\/products\/7th-science-gear-ad3500-replacement-filter-set-4-pack-for-ad3500-3500i-purifiers-1-true-filter-1-carbon-filter-2-pre-filters","provider":"loftwyn","version":"1.0","type":"link"}