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Replaces E-020 / E-026 ISO 9001:2015 OEM Factory Direct Free Sample 7 Days

Stadler Form Oskar Humidifier Filter Replacement — OEM Factory Direct

OEM/ODM Factory Direct Custom Size Available Wholesale Price · MOQ 500

Compatible with / Replacement for:

OEM Part#: E-020 / E-026  |  Deli SKU: DL-WK-SF020

Dimensions: 8.75" × 7" × 1.5" (222 × 178 × 38 mm)

The Stadler Form Oskar humidifier filter (part E-020 / E-026) is a plant-fibre and textile-fibre composite wick measuring approximately 8.75"×7"×1.5" (222×178×38mm). Nantong Deli DL-WK-SF020 is an OEM-compatible replacement for all Oskar and Oskar Little evaporative humidifiers, matching Stadler Form's own plant-fibre and textile-fibre composite specification.

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OEM replacement humidifier filter compatible with Stadler Form Oskar

What is the Stadler Form Oskar replacement filter?

Direct answer: The Stadler Form Oskar humidifier filter (part E-020 / E-026) is a plant-fibre and textile-fibre composite wick measuring approximately 8.75"×7"×1.5" (222×178×38mm). Nantong Deli DL-WK-SF020 is an OEM-compatible replacement for all Oskar and Oskar Little evaporative humidifiers, matching Stadler Form's own plant-fibre and textile-fibre composite specification.

Compatibility Cross-Reference Table

Deli DL-WK-SF020 confirmed compatible with the following humidifier models.

Humidifier ModelOEM Filter Part #Deli SKUDimensions (mm)Drop-in Fit?
Stadler Form OskarE-020DL-WK-SF020222×178×38✅ Yes
Stadler Form Oskar LittleE-026DL-WK-SF020222×178×38✅ Yes
Stadler Form Oskar (White O-020)E-020DL-WK-SF020222×178×38✅ Yes
Stadler Form Oskar BigE-020DL-WK-SF020222×178×38✅ Yes

Model not listed? Contact us with your OEM part number for a cross-reference.

Product Specifications — DL-WK-SF020

Deli SKUDL-WK-SF020
OEM Cross-ReferenceStadler Form E-020 / E-026
Dimensions8.75" × 7" × 1.5" | 222 × 178 × 38 mm
Media MaterialPlant fibre and textile fibre composite (patented Deli formula)
Antimicrobial TreatmentStandard — inhibits mold, bacteria, and algae growth
Evaporation Performance≥95% of OEM rated output
Recommended Service Life2–3 months depending on water hardness
MOQ500 sets (custom packaging available)
Sample Lead Time7 business days
Production Lead Time15–30 days
CertificationsISO 9001:2015, ISO 14001:2015, RoHS compliant

Why Choose Deli OEM over Stadler Form?

Factory-Direct Pricing

Eliminate distributor margins. Up to 60% cost savings vs. retail pricing for bulk buyers. Direct from Nantong factory to your warehouse.

Exact Dimensions

Precision-matched to E-020 spec: 8.75" × 7" × 1.5". Zero trimming required. Direct drop-in fit confirmed across all compatible models.

ISO 9001 Since 2005

21+ years of certified quality management. Every batch produced under documented QMS. 53 authorized patents. Bureau Veritas audited (Nov 2025).

Antimicrobial Treatment

Standard on all Deli wicks — inhibits mold, bacteria, and algae in evaporative humidifier environments.

Private Label / OEM Branding

Custom packaging, brand printing, multilingual inserts. Ideal for Amazon FBA sellers and replacement parts distributors.

Free Sample in 7 Days

Receive a DL-WK-SF020 sample for fit and performance testing before placing your first production order.

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Frequently Asked Questions

What filter does the Stadler Form Oskar use?
The Oskar uses the E-020 filter (or E-026 for the Oskar Little). Both are plant-fibre and textile-fibre composite wicks. Stadler Form recommends replacement every 2-3 months.
Is the Stadler Form Oskar filter the same as the Oskar Little filter?
The Oskar and Oskar Little use filters of the same dimensions — E-020 and E-026 are the same physical filter. Nantong Deli DL-WK-SF020 replaces both.
How do I know when to replace my Stadler Form Oskar filter?
Stadler Form recommends replacing the filter every 2-3 months. Earlier replacement may be needed if: output humidity drops noticeably, the filter becomes stiff or discolored, or there is any musty odor.
Can Stadler Form compatible filters be ordered with private label packaging?
Yes. MOQ 500 sets. 7-day sample lead time. Contact amanda@ntdeli.top for specifications and pricing.

Ready to Source Stadler Form Oskar Compatible Filters?

OEM factory direct. Free sample in 7 days. ISO 9001:2015 certified. Private label available.

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