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- Brand
- Frigidaire
- Buyer rating
- 4.4 out of 5
- Very positive, average of Amazon buyer ratings
Maintaining clean indoor refrigeration environments requires careful attention to consumable filter schedules. If you are inspecting your appliance to determine whether the Frigidaire PAULTRA2 Air Filter is the correct component for your routine maintenance, verifying your model’s mechanical housing and filtration standards is the critical first step. This specific maintenance kit pairs the PureAir Ultra II air filtration cartridge with Frigidaire’s PurePour PWF-1 water filter block under part number FRIGCOMBO13, delivering an all-in-one OEM replenishment package designed for modern Frigidaire and Electrolux refrigerators.
In this technical analysis, we break down the engineering specifications, mechanical fitment, and certified capabilities of the bundle. You will learn the exact physical requirements for installation, how the air cartridge operates within forced-circulation refrigerator plenums, what the laboratory NSF testing data actually confirms, and how to tell whether your appliance requires this second-generation cassette or an earlier legacy unit. Below, we cover everything needed to make an informed, spec-accurate replacement decision.
What You Get With the Frigidaire PAULTRA2 Air Filter
The FRIGCOMBO13 maintenance bundle gathers the two primary consumable filtration elements of the refrigerator into a single factory-sealed Electrolux package. Designed as an integrated bi-annual replenishment set, the kit supplies both the volatile organic compound air-scrubbing insert and the multi-stage fluid filter.
- One genuine Frigidaire PureAir Ultra II (PAULTRA2) air filter cartridge
- One Frigidaire PurePour PWF-1 (FPPWFU01) internal block water filter
- Factory plastic housing frames engineered for slide-and-lock refrigerator mounts
- Manufacturer packaging under part number FRIGCOMBO13 manufactured by Electrolux
- Fluid filtration performance certified under NSF 42, NSF 53, and NSF 401 protocols
Key Specifications
A rigorous review of the factory technical data provides the baseline metrics needed to verify fitment and mechanical compatibility before purchase.
| Specification Attribute | Manufacturer Detail |
|---|---|
| Kit Model Number | FRIGCOMBO13 |
| Manufacturer Part Number | FRIGCOMBO13 |
| Brand Name | Frigidaire |
| Parent Manufacturer | Electrolux |
| Air Filter Component | PureAir Ultra II (PAULTRA2) |
| Water Filter Component | PurePour PWF-1 (FPPWFU01) |
| Package Dimensions (D x W x H) | 6.8″D x 11.5″W x 4″H |
| Primary Material | Engineered Molded Plastic |
| Product UPC | 012505472671 |
| Testing Certifications | NSF 42, NSF 53, NSF 401 (Water Filtration) |
PureAir Ultra II PAULTRA2 Compatibility and Housing Design
Achieving proper air circulation inside a modern sealed refrigerator requires precise mechanical alignment between the filter casing and the motorized air plenum. The pureair ultra ii paultra2 utilizes a specialized compact cassette profile that slides directly into an internal fan-driven housing located along the back or ceiling wall of compatible refrigerators. Because forced airflow relies on low static pressure drop, an exact physical seal prevents air bypass, ensuring all circulated cabinet volume passes across the activated carbon matrix rather than leaking around the edges of the frame.
Verifying paultra2 compatibility requires checking the model code on your refrigerator’s data plate or reading the imprint on your existing cassette door. This unit is built specifically for modern Frigidaire Gallery, Frigidaire Professional, and select standard French-door and side-by-side units that integrate the second-generation slide compartment. Installing this cartridge in an older housing designed for first-generation media will result in physical misalignment, as the locking tabs and overall frame thickness differ. For detailed insights on standalone air cartridges, our technical breakdown of the frigidaire pureair ultra ii air filter explores individual casing mechanics further.
The kit listing specifies overall package dimensions of 6.8″D x 11.5″W x 4″H for the combined retail boxing; the listing does not specify the isolated millimeter dimensions of the bare carbon insert itself. However, the molded plastic framework ensures the cassette locks securely into the OEM fan housing without requiring tools, screws, or secondary brackets. When seated correctly, the cassette engages the retention snap firmly, preventing vibration rattle caused by the internal cooling circulation fan.
Filtration Standards and NSF Testing for the Combo Set
Evaluating the paultra2 air filter specs involves separating the chemical adsorption capabilities of the air filter from the liquid-phase filtration testing protocols. The FRIGCOMBO13 technical documentation highlights three rigorous third-party certifications: NSF 42, NSF 53, and NSF 401. It is important to note that these formal NSF standards govern the performance of the included FPPWFU01 water filter, verifying its efficacy at reducing chlorine taste and odor (NSF 42), health-related contaminants like lead and cysts (NSF 53), and emerging chemical compounds such as pharmaceuticals and microplastics (NSF 401).
While the water block handles pressurized fluid delivery, the PAULTRA2 air component relies on a high-surface-area porous carbon structure tailored to gaseous phase adsorption. Unlike open-environment domestic appliances such as a room-level levoit vital 200s purifier that prioritizes bulk fibrous particulate capture, refrigerator air filtration targets ambient chemical cross-contamination. Food items constantly release ethylene gas, volatile fatty acids, sulfur compounds from alliums, and moisture-borne odors that can transfer into open dairy or exposed ice.
By circulating chilled air continuously through the carbon bed, the PAULTRA2 traps these gaseous aromatic molecules inside microscopic carbon pores. This specialized adsorption architecture functions fundamentally differently than ambient room systems like the sirena twister black the original air purifier water filter air cleaner for home essential oil aroma, as the refrigerator cartridge must operate continuously in a high-humidity, low-temperature micro-climate without saturating its media with condensate or restricting airflow across the cooling evaporator coils.
Frigidaire PAULTRA2 Replacement Cycles and Lifespan Factors
A dependable frigidaire paultra2 replacement cadence is critical because activated carbon functions through physical adsorption rather than mechanical screening. As airborne volatile compounds bind to the microscopic pores of the carbon bed, those active bonding sites become permanently occupied. Once every site is filled, the filter reaches saturation, losing its ability to extract further odors from the cabinet regardless of how clean the outer casing appears.
Under normal domestic refrigerator operation, the typical frigidaire paultra2 lifespan is rated at approximately six months of continuous cabinet circulation. Refrigerator control panels equipped with active filter timers count down this operational period based on elapsed calendar time or fan runtime. High-usage households that frequently store aromatic foods or operate the cabinet in elevated ambient humidity may find the media reaches saturation faster than the standard electronic reminder cycle indicates.
The practical advantage of selecting a paultra2 air filter combo kit lies in maintaining a synchronized replacement routine. Because both the PurePour PWF-1 water cartridge and the PAULTRA2 air filter operate on a standard six-month service schedule, replacing both consumables together ensures that your drinking water purity and cabinet odor control remain fully calibrated without the need to track staggered maintenance dates across separate calendars.
PureAir Ultra II vs Original PureAir Architectural Differences
When assessing paultra2 vs paultra, the mechanical and generational distinctions between the two revisions are crucial for avoiding ordering errors. The original first-generation Frigidaire PureAir filter (often designated as PAULTRA or RAF-1) utilized a wider, flatter profile with distinct side rails designed to slide into an earlier generation of internal appliance brackets. That original design matched the interior layouts of older Electrolux and Frigidaire cooling platforms.
In contrast, the PureAir Ultra II (PAULTRA2) features a redesigned form factor engineered to fit newer, slim-profile air housings that take up less usable cubic volume on the interior shelf walls. While both filters employ activated carbon media to neutralize airborne odors, their external plastic shells and mounting geometries are not backward or forward compatible. Attempting to force a PAULTRA2 into an original PAULTRA bracket will prevent the filter compartment door from latching, potentially dislodging the cartridge into the food storage area.
Consumers must also differentiate enclosed refrigeration carbon cassettes from large-format residential room purifiers such as the levoit core 600s-p. Appliance-specific filters are engineered with fine mechanical tolerances that match manufacturer plenum air pressures precisely. Choosing the correct OEM revision guarantees the exact airflow resistance designed by the manufacturer’s thermal engineers, protecting the cabinet circulation motor from premature wear.
Frigidaire PAULTRA2 Air Filter Pros and Cons
Pros
- Genuine OEM Electrolux and Frigidaire manufacturing
- Dual-pack covers both air and water maintenance
- NSF 42, 53, and 401 certified water block
- Tool-free snap-in installation for compatible housings
- Effective activated carbon odor adsorption
Cons
- Not backward compatible with legacy PAULTRA housings
- Listing does not specify standalone filter dimensions
Is the Frigidaire PAULTRA2 Air Filter Worth It
When evaluating whether the paultra2 air filter is worth it, buyers must weigh the precision and certified performance of genuine OEM engineering against third-party generic alternatives. Because the FRIGCOMBO13 kit integrates both the pureair ultra ii paultra2 and the NSF-certified FPPWFU01 water block, it provides an exact structural match directly from Electrolux. Generic replacements frequently suffer from dimensional inconsistencies in their molded plastic tabs, which can cause poor housing seals, loose internal fitment, or failed activation of internal filter-life reset mechanisms.
For homeowners who prioritize certified fluid safety alongside active air scrubbing, the combined set provides clear operational peace of mind. The extensive laboratory verifications under NSF 42, 53, and 401 on the water filtration side ensure health-grade protection from contaminants, while the genuine carbon air filter guarantees that delicate foods like butter, milk, and eggs do not absorb lingering odors from onions, fish, or prepared meals.
Ultimately, the combo kit represents a sensible, technically sound investment for any household operating a compatible Frigidaire or Electrolux refrigerator. Instead of managing mismatched replacement intervals, separate shipments, or unverified third-party filtration media, purchasing the official bundle guarantees factory-level performance, effortless drop-in installation, and predictable six-month reliability.
FAQ
How often should the Frigidaire PAULTRA2 air filter be replaced?
The recommended operational interval for the PAULTRA2 air filter is six months. Because the activated carbon bed relies on chemical adsorption, its microscopic pores gradually fill with volatile compounds over time. Replacing the cartridge twice a year ensures continuous odor elimination throughout the entire refrigerator cabinet.
Can a PAULTRA2 filter fit into an older PAULTRA housing?
No, the PAULTRA2 and the original PAULTRA cartridges are not mechanically interchangeable. The PAULTRA2 features an updated, slimmer cassette design engineered specifically for PureAir Ultra II housings found in newer refrigerator models. Always confirm the exact model series indicated inside your appliance housing before ordering.
What components are included in the FRIGCOMBO13 kit?
The FRIGCOMBO13 maintenance kit includes one Frigidaire PureAir Ultra II (PAULTRA2) air filter and one PurePour PWF-1 (FPPWFU01) internal water filter block. The package supplies both primary consumable filters required for standard six-month appliance servicing in a single factory box.
What independent certifications does this filter bundle carry?
The fluid filtration component of the kit is tested and certified to NSF 42, NSF 53, and NSF 401 standards. These certifications verify the reduction of aesthetic impurities like chlorine, health hazards like lead and cysts, and emerging chemical compounds such as prescription residues and microplastics.
Are tools required to install the PAULTRA2 replacement filter?
No tools are required for installation. The PAULTRA2 cartridge is designed as a direct drop-in module that snaps securely into the refrigerator’s designated filter housing. You simply open the compartment cover, remove the exhausted cartridge, and slide the new unit into the locking tabs until it clicks into place.
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