HQRP - 4-Pack Wick Filter Replacements for Stadler Form Oskar, Karl, Noah Evaporative Humidifiers
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About this product
Keep your evaporative humidifier running cleanly and efficiently with this 4-pack wick filter replacement set designed to help maintain consistent moisture output. The absorbent reinforced mesh paper media captures minerals, pollutants, and dissolved solids from water before they become airborne, supporting a healthier and more comfortable indoor environment, especially during dry seasons or when managing respiratory discomfort. Each filter measures 8.75 in x 7 in x 1.5 in and should be replaced about every 2-3 months (more often with hard water) to maintain performance. Compatible with Stadler Form Oskar / Oskar Little / Oskar Big / Karl / Karl Big / Noah / Noah Pro; replaces O-030 / O-031 / O-050 / O-051; model support includes O-020 / O-021 / O-022 / O-101 / O-102 / O-103 / O-104 / O-025 / O-026A / K-004 / K-006 / N-004 / N-007. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.
Features
4-pack replacement wick filters
4-pack replacement wick filters: Includes 4 wick filter cassettes; replacement for Stadler Form part numbers O-030 / O-031 / O-050 / O-051; helps restore moisture output and cleaner operation in evaporative humidifiers
Compatible Stadler Form humidifiers
Compatible Stadler Form humidifiers: Compatible with Oskar, Oskar Little, Oskar Big, Karl, Karl Big, Noah, Noah Pro; designed for Oskar, Karl and Noah family evaporative humidifier systems
Correct quantity per filter change
Correct quantity per filter change: Oskar, Karl, Noah (O-020 / O-021 / O-022 / K-004 / N-004) use 2; Oskar Little (O-101 / O-102 / O-103 / O-104) use 1; Oskar Big, Karl Big, Noah Pro (O-025 / O-026A / K-006 / N-007) use 4
Size and replacement schedule
Size and replacement schedule: Each filter is 8.75 in x 7 in x 1.5 in; replace every 2-3 months or about every 2 months with hard water; helps maintain stable humidification and reduces mineral buildup
Reinforced mesh absorbent media
Reinforced mesh absorbent media: High-absorbency paper wick supports steady moisture output; traps water minerals, pollutants and dissolved solids before they become airborne; helps create a healthier, more comfortable home environment
Specifications
- Product Height3 inchesProduct Width12.75 inchesProduct Depth17.75 inchesCompatibilityStadler Form Oskar, Karl, Noah Evaporative Humidifiers
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Keep your evaporative humidifier running cleanly and efficiently with this 4-pack wick filter replacement set designed to help maintain consistent moisture output. The absorbent reinforced mesh paper media captures minerals, pollutants, and dissolved solids from water before they become airborne, supporting a healthier and more comfortable indoor environment, especially during dry seasons or when managing respiratory discomfort. Each filter measures 8.75 in x 7 in x 1.5 in and should be replaced about every 2-3 months (more often with hard water) to maintain performance. Compatible with Stadler Form Oskar / Oskar Little / Oskar Big / Karl / Karl Big / Noah / Noah Pro; replaces O-030 / O-031 / O-050 / O-051; model support includes O-020 / O-021 / O-022 / O-101 / O-102 / O-103 / O-104 / O-025 / O-026A / K-004 / K-006 / N-004 / N-007. Disclaimer: This is not an Original Equipment Manufacturer (OEM) product, HQRP branded product is a replacement. All brand names and logos are registered trademarks of their respective owners. Any use of the brand names or model designations for this product are made solely for purposes of demonstrating compatibility.

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| Pros for HQRP - 4-Pack Wick Filter Replacements for Stadler Form Oskar, Karl, Noah Evaporative Humidifiers | |||
|---|---|---|---|
| There were no pros for this product— | Air Quality, Overall Performance, Fit, Ease of use, Filter Life | Overall Performance, Filter Performance, Ease of Installation | Overall Performance, Air Quality, Fit, Filter Lifespan, Installation Ease |
| Cons for HQRP - 4-Pack Wick Filter Replacements for Stadler Form Oskar, Karl, Noah Evaporative Humidifiers | |||
| There were no cons for this product— | Price, Smell | There were no cons for this product— | There were no cons for this product— |
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