{"product_id":"puroair-400-hepa-air-purifier-for-large-rooms-2-000-sq-ft-coverage-99-9-filtration-quiet-sleep-mode","title":"PuroAir 400 HEPA Air Purifier for Large Rooms – 2,000 Sq Ft Coverage, 99.9% Filtration, Quiet Sleep Mode","description":"\u003ch2\u003eExperience cleaner air in minutes\u003c\/h2\u003e\u003cp\u003ePuroAir 400 is built for open spaces and large rooms, delivering noticeably fresher air in less time. In independent testing, it can refresh rooms up to 2,000 sq ft in about an hour, helping you enjoy a crisper environment during daily activities.\u003c\/p\u003e\u003cp\u003eIts three‑layer filtration combines a pre-filter, a true HEPA filter, and activated carbon. This setup targets common indoor pollutants and odors, making the air feel lighter and more breathable without requiring extra effort from you.\u003c\/p\u003e\u003ch3\u003eKey filtration that helps you breathe easier\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThree-layer filtration: pre-filter, HEPA filter, and activated carbon work together to capture dust, pollen, smoke, and VOCs.\u003c\/li\u003e\n\u003cli\u003eHigh filtration efficiency: up to 99.9% of common indoor pollutants are captured.\u003c\/li\u003e\n\u003cli\u003eFine particle capture: designed to trap particles far smaller than a hair’s width for thorough air cleansing.\u003c\/li\u003e\n\u003cli\u003eLab-informed performance: tested for real-world room air quality improvement and safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSmart, quiet daily use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSmart particle sensor monitors air quality and automatically adjusts power for consistent freshness and energy efficiency.\u003c\/li\u003e\n\u003cli\u003eSleep mode and quiet operation keep nighttime noise minimal, supporting restful evenings and focused work during the day.\u003c\/li\u003e\n\u003cli\u003eContinuous 24\/7 operation helps maintain clean air in busy homes and open-plan layouts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eQuality and reassurance come standard. The purifier carries CARB, ETL, ISO, and UL certifications, reflecting rigorous safety and performance benchmarks. More than 500,000 households rely on PuroAir for cleaner air, backed by a two-year warranty and USA-based support. Designed and supported in the USA, this model aims to be a dependable addition to any living space.\u003c\/p\u003e\u003cp\u003eIn everyday life, the PuroAir 400 supports a variety of scenarios—from family gatherings in a bright living room to focused work in a home office or quiet nights in a bedroom. You may notice cleaner air during activities like cooking in open kitchens or after seasonal pollen spikes, with less odor or dust settling in common areas.\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 room size can the PuroAir 400 purify?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Covers up to 2,000 sq ft in one hour for large spaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What pollutants does it filter and how effective is it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Filters up to 99.9% of dust, pollen, smoke, pet dander, and VOCs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PuroAir","offers":[{"title":"Default Title","offer_id":51684770775357,"sku":"B0C3FXZLZ5","price":357.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/puroair-400-purifier-front-view.jpg?v=1778264707","url":"https:\/\/loftwyn.com\/products\/puroair-400-hepa-air-purifier-for-large-rooms-2-000-sq-ft-coverage-99-9-filtration-quiet-sleep-mode","provider":"loftwyn","version":"1.0","type":"link"}