Not every Pall Posidyne NNXZ (0.45 µm with prefilter) configuration has an exact Ultrafilter match. Our filtration experts review your part number and application and recommend the right replacement.
What it is: 0.45 µm charge-modified Nylon with built-in prefilter layer. Microbial-rated bioburden with extended service life construction.
Use for: Heavy/dirty 0.45 µm bioburden applications where Zeta+ retention is required and extended life matters. Beverage/water with high particulate load.
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6 Pall part numbers listed. Ultrafilter replacement on request — talk to a filtration expert. Pall values from published datasheets.
| Part Numbers | Length | Rating | Adapter | Seal | |||||
|---|---|---|---|---|---|---|---|---|---|
| Pall SKU | Ultrafilter SKU | Competitor | UF Code | Competitor | UF Code | Competitor | UF Code | Competitor | UF Code |
| AB05NNXZ2PH4 | Talk to an expert → | 127 mm (5") | — | 1.2 µm prefilter + 0.45 µm final layer, positive zeta | — | SOE flat closed end, 226 O-rings | — | Silicone Elastomer | — |
| AB1NNXZ3PH4 | Talk to an expert → | 254 mm (10") | — | 1.2 µm prefilter + 0.45 µm final layer, positive zeta | — | SOE flat closed end, 222 O-rings | — | Silicone Elastomer | — |
| AB1NNXZ7PH4 | Talk to an expert → | 254 mm (10") | — | 0.45 µm bioburden with prefilter + Zeta+ | — | SOE fin end, 226 O-rings, 2 locking tabs | — | Silicone Elastomer | — |
| AB2NNXZ7PH4 | Talk to an expert → | 508 mm (20") | — | 0.45 µm bioburden with prefilter + Zeta+ | — | SOE fin end, 226 O-rings, 2 locking tabs | — | Silicone Elastomer | — |
| AB3NNXZ7PH4 | Talk to an expert → | 762 mm (30") | — | 0.45 µm bioburden with prefilter + Zeta+ | — | SOE fin end, 226 O-rings, 2 locking tabs | — | Silicone Elastomer | — |
| AB4NNXZ7PH4 | Talk to an expert → | 1016 mm (40") | — | 0.45 µm bioburden with prefilter + Zeta+ | — | SOE fin end, 226 O-rings, 2 locking tabs | — | Silicone Elastomer | — |
Technical guidance only
Verify fitness for your specific application and regulatory context before qualifying any replacement.
Our filtration experts compare your Pall Posidyne NNXZ (0.45 µm with prefilter) with the Ultrafilter range and recommend the element that fits your application.
For part numbers marked “Talk to an expert”, our filtration engineers recommend the right Ultrafilter element for your housing and application.
Manufactured in Germany. Direct technical support, application-specific configuration, and rapid re-supply for critical filtration lines.
Send us your Pall part number. We will recommend the right Ultrafilter replacement, spec sheet, and pricing within one business day.
Cross-reference note
Pall Posidyne NNXZ (0.45 µm with prefilter) is a product of Pall Corporation. Pall is a registered trademark of Pall Corporation. Ultrafilter GmbH has no affiliation with Pall Corporation. This cross-reference is provided as technical guidance only. Verify fitness for your specific application and regulatory context before qualifying any replacement.