Length: approx. 12 cm
Depth: approx. 5.0 - 5.5 cm
Height: approx. 4.0 - 4.5 cm
Shape: Slightly flattened tube with front entrance
Already used successfully for breeding of some Ancistrus, Hypancistrus and Peckoltia as well as other L-catfish e.g. L134, L169, L184 and L204.
All specified sizes are with minor deviation because clay can change variously within drying and firing.