KIMBLE® KONTES® Fritted, Hirsch Funnel
- Available in three porosities: Fine (4-5.5 microns), Medium (10-15 microns) and Coarse (40-60 microns)
- Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
Products

| Catalog No | Disc Diameter (mm) | Top OD (mm) | Overall Height (mm) | Stem Length (mm) | Pore Size (µm) | Price | Quantity |
|---|---|---|---|---|---|---|---|
| 955250-3523 | 10 | 40 | 180 | 145 | 40-60 | $54.16 /Case of 1 | |
| 955250-5023 | 20 | 50 | 115 | 70 | 40-60 | $113.34 /Case of 1 | |
| 955250-5026 | 20 | 50 | 115 | 70 | 4-5.5 | $119.75 /Case of 1 | |
| 955250-5044 | 20 | 50 | 115 | 70 | 10-15 | $117.93 /Case of 1 | |
| 955250-7523 | 30 | 75 | 145 | 75 | 40-60 | $166.07 /Case of 1 | |
| 955250-7526 | 30 | 75 | 145 | 75 | 4-5.5 | $166.07 /Case of 1 | |
| 955250-7544 | 30 | 75 | 145 | 75 | 10-15 | $166.07 /Case of 1 |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
The conical funnel shape of the Hirsch filter directs filtrate through a reduced area frit to concentrate crystal residue for rewashing.
Products
Products

| Catalog No | Disc Diameter (mm) | Top OD (mm) | Overall Height (mm) | Stem Length (mm) | Pore Size (µm) | Price | Quantity |
|---|---|---|---|---|---|---|---|
| 955250-3523 | 10 | 40 | 180 | 145 | 40-60 | $54.16 /Case of 1 | |
| 955250-5023 | 20 | 50 | 115 | 70 | 40-60 | $113.34 /Case of 1 | |
| 955250-5026 | 20 | 50 | 115 | 70 | 4-5.5 | $119.75 /Case of 1 | |
| 955250-5044 | 20 | 50 | 115 | 70 | 10-15 | $117.93 /Case of 1 | |
| 955250-7523 | 30 | 75 | 145 | 75 | 40-60 | $166.07 /Case of 1 | |
| 955250-7526 | 30 | 75 | 145 | 75 | 4-5.5 | $166.07 /Case of 1 | |
| 955250-7544 | 30 | 75 | 145 | 75 | 10-15 | $166.07 /Case of 1 |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
The conical funnel shape of the Hirsch filter directs filtrate through a reduced area frit to concentrate crystal residue for rewashing.
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