Round, Square
- Cellulose+Celite Blended (Thickness 1.5 to 4.5 mm / 150 to 1500 GSM) - Nonwoven (Thickness 1.5 to 3.0 mm / 400 to 750 GSM) - Woven (Thickness 0.5 to 2.0 mm / 250 to 650 GSM)