Description
Product Overview
The Solberg 19P polyester filter cartridge with prefilter is a precision‑engineered component designed for demanding industrial compression applications. Constructed from high‑grade polyester media, the cartridge provides superior particle capture while allowing unrestricted airflow up to 100 standard cubic feet per minute (SCFM). Its compact dimensions—4‑3/8″ outer diameter, 3″ inner diameter, and 4‑3/4″ height—fit standard filter housings, making it a drop‑in replacement for existing systems. The prefilter layer adds an extra barrier against larger debris, extending the life of the primary filter element and reducing maintenance intervals. Each cartridge is manufactured in the United States under strict quality‑control protocols, ensuring consistent performance and durability even in harsh operating environments. The lightweight design (approximately 7.2 ounces) simplifies handling and installation, while the robust construction resists deformation under high pressure differentials.
![[Product front view showing all components]](https://www.delnora.store/wp-content/uploads/2026/07/90ee0f2b811446829df71f9d2d561849.jpg)
Usage
This filter cartridge is ideal for a wide range of industrial compressor setups, including air‑intake filtration for pneumatic tools, paint spray systems, and process air applications. It excels in environments where particulate contamination can impair equipment efficiency or product quality, such as manufacturing plants, automotive workshops, and food‑processing facilities that require clean, dry air. The cartridge’s high efficiency and prefilter design make it suitable for continuous‑run compressors operating 24/7, as well as intermittent‑use machines. Installation is straightforward: simply remove the existing filter element, insert the Solberg 19P cartridge, and secure the housing. No special tools or modifications are required, allowing technicians to perform replacements quickly and safely, minimizing downtime. The cartridge’s compatibility with standard 3″‑ID housings ensures it can be used across multiple brands and models, providing flexibility for fleet maintenance programs.
Why Choose Us
Choosing the Solberg 19P cartridge means selecting a product backed by decades of filtration expertise and a commitment to American manufacturing excellence. Solberg Manufacturing adheres to ISO‑9001 quality standards, guaranteeing that each cartridge meets rigorous performance criteria before leaving the factory. The polyester media is engineered for high dust‑holding capacity, reducing the frequency of filter changes and lowering total cost of ownership. Additionally, the integrated prefilter reduces the load on the primary filter element, extending its service life and protecting downstream equipment from abrasive particles. Our after‑sales support includes technical assistance, warranty coverage, and access to a network of certified service partners, ensuring you receive prompt help whenever needed. By investing in a Solberg filter, you benefit from reliable filtration, consistent airflow, and a product that stands up to the toughest industrial conditions.
Key Features
- High‑efficiency polyester media captures fine particles while maintaining strong airflow.
- Integrated prefilter adds an extra layer of protection against larger debris.
- Compact 4‑3/8″ OD design fits standard 3″‑ID housings for easy retrofits.
- Durable construction resists deformation under high pressure differentials.
- U.S. manufacturing with ISO‑9001 quality control ensures consistent performance.
- Lightweight (7.2 oz) for effortless handling and quick installation.
- Extended service life reduces maintenance costs and downtime.
- Responsive customer support and warranty coverage for peace of mind.
FAQ
What size filter housings are compatible with the Solberg 19P cartridge?
The cartridge is designed for standard 3‑inch inner‑diameter housings, which are common across many industrial compressor brands. Its outer diameter of 4‑3/8 inches and height of 4‑3/4 inches allow it to fit most conventional filter enclosures without modification.
How often should the cartridge be replaced?
Replacement intervals depend on operating conditions such as air quality and compressor duty cycle. In typical industrial environments, a change every 6‑12 months provides optimal performance, but the prefilter layer can extend this interval by reducing the load on the primary media.
Is the cartridge suitable for oil‑free compressors?
Yes, the polyester media is compatible with both oil‑free and oil‑lubricated compressors. Its low‑oil retention properties help maintain clean air output, making it a versatile choice for a variety of compression systems.
Can I install the cartridge myself?
Installation is user‑friendly and requires no special tools. Simply open the filter housing, remove the old element, insert the Solberg 19P cartridge, and reseal the housing. Detailed instructions are included with the product.
What warranty does Solberg provide?
Solberg offers a limited one‑year warranty covering manufacturing defects. Should any issue arise, contact our support team for a replacement or repair, ensuring continuous operation of your equipment.




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