› Essick Air Air Filter, Compare to Part # 1051

Essick Air air filter. Compare to Part # 1051. Fits the following models: 4DTS 300, 4DTS 900, H12 300HB, H12 400HB, H12 600, 696400HB, 696800 & 447400HB. We recommend you replace your filter every 3-6 months or based on usage. Absolutely Essential for All