- Fiberglass Bottom Mod. 61.
- Fiberglass reduction from 780 a 160 mm.
-
- Fiberglass Bottom Mod. 62.
- Fiberglass reduction from 780 a 450 mm for automatic feeding system.
-
- Fiberglass Bottom Mod. 63.
- Fiberglass multiple reduction from 780 to 260 mm.
-
- Fiberglass bottom Mod. 64.
- Reduction in fiberglass diam. from 780 mm to square 260 x 400 mm.