Open-face Filter Holders

Lightweight, Corrosion-Resistant Filter Holders for Routine Air Sampling

• 25 mm holder is autoclavable. Can be used for bacterial monitoring and particulate analysis.
• 37 and 47 mm holders include a plastic cap that protects samples after filtration.

• 25 mm holder is designed for clean room sampling and collection of breathing-zone air samples.
• 37 and 47 mm holders can be used for trapping airborne particles, fluorescent tracers, and other contaminants.

Materials of Construction

• Holder
  • 25 mm: Delrin^◆ (acetal resin)
  • 37 and 47 mm: Aluminum
  • Hose Barb Adapter: Nylon
• Support Screen
  • 25 mm: Type 316 stainless steel
  • 37 and 47 mm: Type 304 stainless steel
  • O-Ring: Viton^◆
  • Cap, 37 and 47 mm: Polyethylene

Effective Filtration Area

• 25 mm: 3.7 cm²
• 37 mm: 4.9 cm²
• 47 mm: 9.6 cm²

Dimensions

• Overall Length
  • 25 mm: 2 cm (0.8 in.)
  • 37 and 47 mm: 2.4 cm (0.9 in.)
• Diameter
  • 25 mm: 3.5 cm (1.4 in.)
  • 37 mm: 4.4 cm (1.7 in.)
  • 47 mm: 5.4 cm (2.1 in.)

Inlet/Outlet Connections

• ¹⁄₈ in. -27 FNPT; includes 6.4 mm (¹⁄₄ in.) ID hose barb adapter

Sterilization

• Provided non-sterile. Autoclavable if desired at 121 - 123 ºC (250 - 253 ºF) at 1.0 bar (100 kPa, 15 psi) for 15 - 20 min . Polyethylene cap not autoclavable.

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Part Number	Description	Pkg	Price	Qty
25 mm Open-face Filter Holder, Delrin Plastic
1107	25 mm, open-face Delrin plastic	6/pkg	160.46
37 mm and 47 mm Open-face Filter Holders, Aluminum
1219	37 mm, open-face aluminum	1/pkg	474.38
1220	47 mm, open-face aluminum	1/pkg	486.94
Accessories and Replacement Parts, 25 mm Open-face Filter Holder, Delrin Plastic
73179	Hose barb adapter, Nylon, 1/8 in. MNPT to 6.4 mm (1/4 in.) ID tubing	1/pkg	4.69
83475	O-ring, ARP No. -117, Viton	1/pkg	3.80
Accessories and Replacement Parts, 37 mm and 47 mm Open-face Filter Holders, Aluminum
1222	47 mm aluminum collar	1/pkg	113.23
245	47 mm, plastic cap plug	1/pkg	21.87
4235	47 mm support screen, type 304 stainless steel	1/pkg	99.47
4239	47 mm wave washer	1/pkg	16.04
73179	Hose barb adapter, Nylon, 1/8 in. MNPT to 6.4 mm (1/4 in.) ID tubing	1/pkg	4.69
96406	37 mm aluminum collar	1/pkg	111.55
99121	37 mm support screen, type 304 stainless steel	1/pkg	57.88
99122	37 mm wave washer	1/pkg	19.69

Contact Customer Service at 800-521-1520 for possible lead-time and ship date.