Specifications:
1) Filtration rate: 1, 3, 5, 10, 20, 30, 50, 75, 100mic
2) Outside diameter: 55 - 64mm
3) Inside diameter: 28mm
4) Standard length: 250, 500, 508, 762, 1,000, 1,016mm
5) Also available in non-standard and custom specifications