What filter does a Lasko 5000L take?
It takes the AprilAire Water Panel 10 — OEM part number 10.
Lasko 5000L, whole-house humidifier, whole house.
Lowest verified price: $15.98 — 1 panel, genuine AprilAire #10 at Home Depot. Home Depot shipping/pickup terms at checkout. Checked 2026-11-11.
Buy the 10 on Amazon — 10Direct link to the verified Amazon listing for this part. Amazon price is shown on Amazon; we do not quote it here.
The part, in brief
| Part | AprilAire Water Panel 10 |
|---|---|
| Replacement interval | Replace at least once per heating season. |
| Per change | One panel per change. Note: one Home Depot reviewer reports the panel runs short in the 500M despite the listing — check the model list on the box against your unit. |
| Equivalents | GeneralAire GA10 |
Verified prices
| Option | Price | Store & shipping |
|---|---|---|
| Genuine (OEM) 1 panel, genuine AprilAire #10 | $15.98 | Home Depot Home Depot shipping/pickup terms at checkout · Checked 2026-11-11 · source |
| Genuine (OEM) 2-pack, genuine AprilAire #10 ($17.48 per panel) | $34.95 | DiscountFilters Free shipping on orders $70+ at DiscountFilters; a fee applies below that · Checked 2026-11-11 · source |
| Genuine (OEM) 2-pack, genuine AprilAire #10 | $19.00 | Home Depot Home Depot shipping/pickup terms at checkout · Checked 2026-11-11 · source |
Full record with every price, source and date: AprilAire Water Panel 10 page.
Finding the model number on a Lasko
Model numbers are on the bottom label. The Natural Cascade 1128/1129/9930 take the THF8 wick (BestAir L8 is the standard retail equivalent).