---
product_id: 342634418
title: "4-Pack Humidifier Filters Compatible with Stadler Form Oskar Series Evaporative Humidifiers"
brand: "fre.filtor"
price: "$137.98"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/342634418-4-pack-humidifier-filters-compatible-with-stadler-form-oskar-series
store_origin: US
region: United States of America
---

# 4-pack high-efficiency filters Optimized evaporative humidification Anti-yellowing & mildew resistant 4-Pack Humidifier Filters Compatible with Stadler Form Oskar Series Evaporative Humidifiers

**Brand:** fre.filtor
**Price:** $137.98
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe fresher, live better — don’t let your Oskar run dry!

## Quick Answers

- **What is this?** 4-Pack Humidifier Filters Compatible with Stadler Form Oskar Series Evaporative Humidifiers by fre.filtor
- **How much does it cost?** $137.98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/342634418-4-pack-humidifier-filters-compatible-with-stadler-form-oskar-series)

## Best For

- fre.filtor enthusiasts

## Why This Product

- Trusted fre.filtor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quad-Pack Convenience:** Four filters per pack to keep your air fresh longer
- • **Long-lasting Freshness:** Advanced materials prevent yellowing and mildew buildup
- • **Superior Humidification:** Delivers consistent, clean moisture for healthier indoor air
- • **Risk-Free Quality Assurance:** Satisfaction guaranteed with hassle-free refunds
- • **Universal Oskar Compatibility:** Fits Oskar Little, Oskar, and Oskar Big models seamlessly

## Overview

Fre.Filtor 4-Pack Humidifier Filters are precision-engineered replacements compatible with Stadler Form Oskar series evaporative humidifiers, including Oskar Little, Oskar, and Oskar Big models. Crafted from advanced materials, these filters resist yellowing and mildew, ensuring superior humidification performance and fresh indoor air. Each pack includes four high-quality filters designed for easy installation and long-lasting use, backed by a satisfaction guarantee.

## Description

Fre.Filtor 4-Pack Humidifier Filters Compatible with Stadler Form Oskar Series Evaporative Humidifiers

## Features

- The Form evaporative filter for Oskar series evaporative humidifiers. Valid for Oskar Little, Oskar and Oskar big. Such as O-020,O-021,O-022,O-025,O-026A,O-030,O-031,O-050,O-101,O-102,O-103 and O-104 models humidifier.
- Compatible to Part: # O-030 & # O-050.
- Package Included: 4×Humidifier Filters.
- Made from advanced materials, the item is not susceptible to yellowing and mildew.We value product quality. As long as you are not satisfied with the quality.Don't worry, we will refund you at any time.
- Delivers superior humidification performance and help to provide fresh air.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fre.Filtor |
| Special Feature | Evaporative Humidification, Fresh Air Provision |
| Filter Type | Carbon, Demineralization |
| Operation Mode | Evaporative |
| Room Type | Bedroom |
| Model Name | evaporative humidifiers.such,humidifiers |
| Included Components | 4×Humidifier Filters |
| UPC | 708257717558 |
| Manufacturer | Fre.Filtor |
| Shipping Weight | 0.32 Kilograms |
| Item Model Number | FFO-030/4 |
| Item Part Number | FFO-030 |
| Primary material | Plastic |
| Capacity | 4×O-030 Filters |
| Country of Origin | USA |

## Product Details

- **Brand:** Fre.Filtor
- **Special Feature:** Evaporative Humidification, Fresh Air Provision
- **Filter Type:** Carbon, Demineralization
- **Operation Mode:** Evaporative
- **Room Type:** Bedroom

## Images

![4-Pack Humidifier Filters Compatible with Stadler Form Oskar Series Evaporative Humidifiers - Image 1](https://m.media-amazon.com/images/I/51FtrAo176L.jpg)

## Frequently Bought Together

- 4-PACK Humidifier Filters Compatible with Stadler Form Oskar Little, Oskar and Oskar big Evaporative Humidifiers.Such as O-020,O-021,O-022,O-025,O-026A,O-030,O-031,O-101,O-102,O-103,O-104 - Fre.Filtor
- Stadler Form WATER CUBE, White
- Stadler Form humidifier Oskar, Energy-Saving Humidifier for Rooms up to 540 Square Feet, Evaporator with Automatic Switch-Off, Dimmable LEDs, Very Quiet, White, medium

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-11*