Fast-Shipped-Filters 3 Pack 20x20 Replacement Filter Pads Designed to Fit Dynamic Electronic Air Cleaner – Polarized Electrostatic Air Cleaner Filters Made in USA Blue

3 Pack Replacement Filter Pads Designed to Fit with Dynamic Cleaner Frame Size 20x20x1

• 3 Pack Replacement Filter Pads Designed to Fit with Dynamic Cleaner Frame Size 20x20x1
• Actual Filter Size 18.5"x17.5" (Always measure your outer frame — not the disposable pad.)
• Replace Every 1 to 4 Months: Depending Local air quality for optimal performance.
• CAUTION: Do not place order using the measurement of disposable fiberglass pad. Measure the outside frame or refer to filter label inside plastic channel.
• ..Some filter pads may have a aluminum target. That’s because the manufacturer switched to a cheaper carbonized mesh instead of using a full activated-carbon sheet. To make the pad work, they had to add a foil target so the electrode could make contact.
• ..Fast-Shipped-Filters stayed with the original full-carbon center design, which carries the electrical charge evenly across the entire filter. Because of this, no aluminum patch or painted target is needed—the electrode makes solid contact anywhere on the pad.