VEVOR 5 Tiers Water Jug Holder, 5 Gallon Water Bottle Holder, Single Row Water Bottle Rack for 5 Bottles, Heavy Duty Water Jug Rack for Kitchen, Office, Living Room, Silver

If the four-gallon jugs are smaller than the five-gallon jugs, and approx the same shape, YES! Use the measurement photo on the description page to check the inside measurements.