Click to expand Tap to zoom iQ426HEPA Replacement HEPA Filter Kit by IQ Power Tools Sale $87.00 | / SKU 0426-25002-01 Currently Available 4 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Replacement HEPA filter for the iQ426HEPA. This should be replaced yearly, or when the HEPA indictor light turns red.