Photo 1 of PUREBURG Replacement Filter Compatible with Filter Queen Defender 4000 7500 360 Air Purifiers,H13 True HEPA + 4 x Activated Carbon Pre-Filter Wraps Air Clean Dust VOCs Odor

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Photo 1 of PUREBURG Replacement Filter Compatible with Filter Queen Defender 4000 7500 360 Air Purifiers,H13 True HEPA + 4 x Activated Carbon Pre-Filter Wraps Air Clean Dust VOCs OdorPhoto 2 of PUREBURG Replacement Filter Compatible with Filter Queen Defender 4000 7500 360 Air Purifiers,H13 True HEPA + 4 x Activated Carbon Pre-Filter Wraps Air Clean Dust VOCs Odor