Nuaire MRXBOX95-WH1 Replacement Filters 2 Pack (Now known as MRXBOX-ECO3)
Nuaire ECO3 MVHR system. Nuaire WH1 MVHR system. Suitable for Nuaire Product Codes Filters being used in urban areas will need more regular changing, often every 3 to 6 months. For instructions on changing filters (see page 7, section 9).