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Questions & Answers
Which one is the sterilization support plate & which one is the analytical plate? The analytical support says 2 piece but both appear to be 1 piece. Expert Answer

The Nalgene reusable filter holder and receiver comes with both the analytical support plate and the sterilization support plate so either can be used. Membranes are not included.

Sterilization Plate (one-piece, clear):

Provides maximum flowrate and throughput
Suitable for cold sterilization or clarification of culture media, reagents or solvents that are compatible with holder and membrane materials
Nominal filter area, 13.3cm2

Analytical Plate (two-piece, white):

Provides optimal membrane support and keeps membrane flat to facilitate analytical procedures
Suitable for analysis of particulates and biological contaminants, or any microbiological analyses using the membrane filter technique
Nominal filter area, 11.3cm2

by Carly R., Gear Expert, September 9, 2018
2 Models Available
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Product Info for Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100

Nalge Nunc Filter Holder with Receiver, NALGENE is a reliable and dependable addition to the Nalge Nunc Filters family of products. Combining top-notch and uncompromising quality with an affordable price, the Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100/ 28199-450 can fulfill your laboratory needs while still offering a great value for the money.image

Product Category Description:

These products greatly simplify set-up. The NALGENE FILTER HOLDING SYSTEM consists of a molded frame and a special spring-loaded ring that receives the cartridge and a plug-in retaining strap that secures the cartridge in place. The spring-loaded ring firmly holds the cartridge in place and the unique design allows the cartridge or filter to be removed and re-sealed several times if necessary. Flow rates through the cartridge or filter may be measured and recorded. Filters feature an enlarged flow indicator window and an improved filter-selective element. Save step-by-step filtration techniques with inline pre-filteration with the NFPA Filter Holder.

Specifications for Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100 :

Upper ChamberCapacity, mL:  500
ReceiverCapacity, mL:  1000
NNI No.:  300-4100
Unit:  Each (1000 ML)

Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100 Orderable Models

List of Orderable Models

  • Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100, Each , MPN: 300-4100-EA , Code: NL-90G-300-4100-EA
  • Nalge Nunc Filter Holder with Receiver, NALGENE 300-4100, Case , MPN: 300-4100-CS , Code: NL-90G-300-4100-CS
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Last updated 2026-07-09 UTC.