Two (upper and lower) independent compartments each serving as a single cage.
Column is made of 25×25×1.2mm S.S. square tube;
Φ12.7×1.0 S.S. round pipe;
Front door, with S.S. feeder (Φ160mm), water box (Φ140mm) and cardholder;
Floor is made of S.S. wire mesh (Φ3mm, spacing 30×30 mm)
Dry-breeding type S.S. feces tray;
4'' wear-resistant caster with brake