Richell USA presents its Convertible Elite Pet Gate L4, H4, L6 and H6 line. The gates include a lockable door, can be assembled virtually tool free, convert to a room divider and pet pen, and feature beautiful hardwood construction, the company reports. The L4 and L6 are 20.1 in. high and are designed for dogs up to 17.6 lb. The H4 and H6 are 35.8 in. high and designed to accommodate dogs up to 88 lb.