Four Pack Replacement Filters For Holmes AER1 Total Air Filter 30AT 242NUC Compatible Replaces Filters A D K 10 X 4.6 X 1.2 Inches Keeps Air Clean And Fresh Change Every Four Months Works With Cap531U Cap529U HAP Series

Four-Pack Replacement Filters for AER1 Air Filter Systems
✔️ 4-pack of 10 x 4.6 x 1.2 in filters; replaces A, D, K; 4 months life

These replacement filters are designed to fit Holmes AER1 and Bionaire units, replacing filters A, D, and K. Each filter measures 10 x 4.6 x 1.2 inches and is included as a four-pack. The blue filters are intended for monthly maintenance to keep air clean and fresh. Compatible with CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP9422, HAP9424; and BAP260, BAP815, BAP825, BAP9200, BAP9700, BAP520, BAP9417, BAP9427, BAP9435

✅ 4 filters in pack; size 10 x 4.6 x 1.2 inches
✅ Replaces Filter A, Filter D, Filter K
✅ Compatible with CAP531-U, CAP529-U, HAP series and Bionaire models
✅ Blue color for quick identification

💡 What is a replacement filter for AER1 air purifiers used for and how often should you replace it?

This handy replacement filter helps keep air clean and fresh in AER1-friendly units. Here's the quick guide:

- compatible with Holmes CAP531-U, CAP529-U, HAP series and Bionaire models
- replaces Filter A, D, and K for AER1 compatible units
- four-pack, 10 x 4.6 x 1.2 in; replacement every four months