Certified quality: Intertek tested, Energy Star 2025. Same HEPA H13 as £300+ brands. Free UK shipping. 30-day returns. Build in 30 minutes.
Intertek, one of the world's leading quality assurance providers, has independently tested and verified the performance of components used in our DIY air purifier kits.
Energy Star 2025 certified components ensure your DIY air purifier operates with maximum efficiency, saving money and reducing environmental impact.
30-40% lower energy consumption than non-certified alternatives
Estimated annual electricity cost: $15-25 (running 24/7)
Reduced carbon footprint - eco-friendly air purification
Qualifies for energy efficiency rebates in many regions
Extended component lifespan due to efficient operation
CR Box UK: Build in 30 mins for under £199 (VAT included). Free UK shipping (2-3 days). True H13 HEPA 2.4x more efficient than Dyson MERV filters. Energy Star 2025 certified. Trusted by NHS, schools & offices.
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