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Bottletop Filters - Blowout Sale! Save up to 76%


Blowout Sale! Up to 76% off on Bottletop Filters at In The National Interest. Top brands include Nalgene, & Lazar Research Laboratories. Hurry! Limited time offers. Offers valid only while supplies last.



Nalgene 524-0020 Polystyrene Vacuum Filter Unit, 0.2 Micron, 50mm Membrane Diameter (Case of 72)
Nalgene 524-0020 Polystyrene Vacuum Filter Unit, 0.2 Micron, 50mm Membrane Diameter (Case of 72)
In Stock
$505.73

mpn: 524-0020,

This economical asymmetric 115mL polyethersulfone filter unit with a polystyrene housing is ideal for small-volume benchtop filtration. Unit has a wide stable base design and is fitted with a 0.2µm/50mm Supor PES membrane filter. Pore size and membr...


Nalgene 124-0045 Filter Unit with Polyethersulfone Membrane, 115ml Capacity, 0.45µm Pore Size, 50mm Membrane Diameter (Case of 72)
Nalgene 124-0045 Filter Unit with Polyethersulfone Membrane, 115ml Capacity, 0.45µm Pore Size, 50mm Membrane Diameter (Case of 72)
In Stock
$528.86
$528.82

mpn: 124-0045,

Nalgene 524 and 124 Series Filter units have naturally hydrophilic Polyethersulfone (PES) membrane and Low-Profile Polystyrene (PS) housing. An economical filter unit that's ideal for small-volume benchtop filtration and tissue culture work. Wide, st...


Nalgene Sterile Disposable Filter Units with Surfactant-free Cellulose Acetate Membrane, 0.45µm (Case of 72)
Nalgene Sterile Disposable Filter Units with Surfactant-free Cellulose Acetate Membrane, 0.45µm (Case of 72)
In Stock
$586.49
$586.45

mpn: 122-0045,

The Thermo Scientific* Nalgene Rapid-Flow Sterile Disposable Filter Units with SFCA Membrane are ideal for vacuum filtration and single-use biological work requiring sterile filtration, prefiltration or clarification of aqueous solutions in the lab o...


Nalgene 130-4020 Sterile Analytical Filter Unit with Cellulose Nitrate Membrane, 150ml Capacity, 0.20µm Pore Size (Case of 72)
Nalgene 130-4020 Sterile Analytical Filter Unit with Cellulose Nitrate Membrane, 150ml Capacity, 0.20µm Pore Size (Case of 72)
In Stock
$731.93
$604.75
You Save: 17%

mpn: 130-4020,

4.2 out of 5 stars with 34 reviews
Filter units are excellent for microbial analysis, sterility testing and water quality or environmental testing. Model 1208M78 has a 0.2 µm white membrane and is ideal for sterility testing. Model 1208M79 is has a 0.45 µm white membrane with a grey...


Lazar Research Laboratories FG25638 HPLC Filter Degasser with 38 mm Cap
In Stock
$804.72

mpn: FG25638,

HPLC solvent filtration and degassing is a simple approach to solvent purification. Can be used in most isocratic applications. Simply attach to any available vacuum line, put in filter and it is operational. In-line device can filter/degas 1 gallon ...


Nalgene 130-4045 Sterile Analytical Filter Unit with Cellulose Nitrate Membrane, 150ml Capacity, 0.45µm Pore Size (Case of 72)
Nalgene 130-4045 Sterile Analytical Filter Unit with Cellulose Nitrate Membrane, 150ml Capacity, 0.45µm Pore Size (Case of 72)
In Stock
$604.75
$146.79
You Save: 76%

mpn: 130-4045,

4.0 out of 5 stars with 20 reviews
Filter units are excellent for microbial analysis, sterility testing and water quality or environmental testing. Model 1208M78 has a 0.2 µm white membrane and is ideal for sterility testing. Model 1208M79 is has a 0.45 µm white membrane with a grey...


Nalgene Filter Holder with Receiver, PSF 47 mm, 230mm H x 134mm OD, 500 ml Capacity (Case of 4)
Nalgene Filter Holder with Receiver, PSF 47 mm, 230mm H x 134mm OD, 500 ml Capacity (Case of 4)
In Stock
$817.98
$776.91
You Save: 5%

mpn: 300-4050,

4.0 out of 5 stars with 60 reviews
Two side-arms allow connection to vacuum line; also accepts syringe filters. Tubing adapter can be stuffed with cotton for sterile venting; accepts 1/4” to 5/16” (6 to 8 mm) i.d. vacuum tubing. 4618N70 funnel and receiver volumes are 500 mL. Dime...



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