• 0.1μm AseptiPrime KS 1", 2", 5", 8"

0.1μm AseptiPrime KS 1", 2", 5", 8"

mdi AseptiPrime KS are sterilizing grade PES membrane capsule filters specially designed for very high throughput.

It incorporates a highly asymmetric PES membrane prefilter to provide enhanced protection to the well proven and widely accepted sterilization grade final mdi PES membrane.

These are available in a wide range of sizes and end connections to suit a multitude of sterilization applications in biopharmaceuticals for process development,pilot scale and production batch sizes.

AseptiPrime KS filters meet key process requirements such as absolute retention, high protein recoveries and low extractables.

  • Absolute retention
  • 100% integrity tested
  • Low protein binding
  • Low extractables
  • Very low hold up volume in filters

Sterile Filtration of:

  • Cell culture media
  • Cell culture media containing serum
  • Media additives
Final Filter Membrane 0.1μm Polyethersulfone
Prefilter Membrane 0.3 μm or 0.5 μm Asymmetric Hydrophilic PES
Support Layers Polyester
Plastic parts Polypropylene
Integrity Testing / Retention
Bubble Point > 31psi with IPA/ Water solution
1" 2" 5" 8"
Effective Filtration Area (Nominal)
Dimension (End to End) - ½" Hose Barb I/O
90 mm112 mm162 mm214 mm
Dimension (End to End) - 1½" Sanitary Flange Inlet ½" Single Step Hose Barb Outlet
-- 112 mm 165 mm 216 mm
Dimension (End to End) - ¾" Sanitary Flange I/O
85 mm 104 mm 155 mm 206 mm
Dimension (End to End) - 1½" Sanitary Flange I/O
92 mm112 mm164 mm216 mm
Dimension (End to End) - ½" Single Step Hose Barb I/O
--115 mm162 mm218 mm
Clean water Flow Rate @ 10 psi with ½" Hose Barb Connection
1.3 lpm2.5 lpm4.8 lpm6.5 lpm
Operational Radius (with Vent/ Drain)
30 mm 65 mm 65 mm 65 mm
Vent and Drain
¼" Hose Barb with Silicone "O" rings for 2", 5" and 8" only
Max. Operating Temperature 80 °C @ < 30 psi (2 Kg/cm²)
Max. Differential Pressure 60 psi (4 Kg/cm²) @ 30 °C
pH Compatibility Compatible with pH range of 1-10
Sterilization By Gas Sterilizable by Ethylene Oxide
Sterilization By Autoclave Autoclavable at 125°C for 30 minutes, 25 cycles. Can not be in-line steam sterilized
Shelf Life 3 years after EO sterilization
Toxicity Passes Bioreactivity test, In Vivo, as per USP <88> for Class VI plastics
Cytotoxicity Passes Biological Reactivity Tests, In Vitro, USP <87> for cytotoxicity
Bacterial Endotoxin Aqueous extracts exhibit < 0.25 EU/ml as established by Limulus Amebocyte Lysate (LAL) Test
Bioburden Bioburden level is < 1000 cfu/filter device as per ISO 11737-1 : 2018
Microbial Retention LRV > 7 for Acholeplasma laidlawii ATCC 23206 per cm² of filter area
Non Fiber Releasing Passes test as per USP and comply with USFDA 21 CFR Part 210.3(b)(6) for fiber release
Particle Release The filtrate complies with USP <788> test for particulate matter in injections
Indirect Food Additive All Polypropylene components meet the FDA Indirect Food Additive requirements cited in 21 CFR 177.1520
Extractables with WFI Passes test as per USP
Good Manufacturing Practice These products are manufactured in a facility which adheres to Good Manufacturing Practices.
Oxidizable Substances Within limits as specified in USP
TOC/Conductivity at 25 °C Meets the WFI requirements of USP for TOC <643> and Conductivity <645> after a 3 liter flush
Quality Management System ISO-9001 Certified 
USFDA DMF No. 015554

AseptiPrime KS (0.3μm Asymmetric Upstream) DKX9
AseptiPrime KS (0.5μm Asymmetric Upstream) DKX7
Size Code
1" 51
2" 52
5" 53
8" 57
Pore Size
Pore Size Code
0.1µm 36
I/O Connection
Connection Code
¼" SHB A
½" MNPT* C
½”Hose Barb D
1½" Sanitary Flange E
¾" Sanitary Flange S
Quick Connector J
½" Single Step Hose Barb*
Female Luer Lock U
Male luer Slip** W
3/8" Hose Barb* I
3/16" Hose Barb*** N
Yes**** B
No X
Bell with cover**** C
Non Sterile 1
EO Sterile 2
Pack Size
Pack Size Code
1 01

*1” Capsule Filters are not available with ½” Single step Hose Barb, ½" MNPT and 3/8" Hose Barb

**Male luer slip is available only in 1” capsule filter as outlet

***3/16" Hose Barb end connection is available in:

  • 1" and 2" capsule filters as inlet and outlet
  • 5" capsule filters as outlet only

**** Bell and bell with cover is available with :

  • ½” HB outlet connections in 1”, 2”, 5” and 8” capsule filters
  • ¼” SHB outlet connection in 1” capsule filters only


DKX9 51 36 AA
X X 1 01
Example for Non Sterile: DKX95136AAXX101                                                            Example for EO Sterile: DKX75136AAXX201

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