Product review (5 stars): Spec's on Samsung DA29-00020B Filter
Found this info elsewhere, as I was looking for this info, maybe others are too!

The Samsung DA29-00020B filter reduces the following contaminants:
- Asbestos
- Benzene
- Chlorine Taste & Odor
- Cysts
- Lead
- Particulates (Class I)
- Sand
- Dirt
- Rust
- Silt
- Limescale
- Turbidity
- Atrazine
- Lindane
NOTE: this filter does not reduce fluoride

Samsung DA2900020B / Samsung HAFCIN Refrigerator Filter specifications:
- Flow Rate: Approx. 0.75 GPM
- Micron Rating: 0.5 microns
- Function: Chemical/Mechanical
- Capacity: 300 Gallons or 6 months
- Dimensions: 8 7/8" x 2" (9.25" without tip)
- Operating Temperature: Min. 34 F; Max. 100 F
- Operating Pressure: Min. 30 PSI; Max. 125 PSI