he Mr.Steam Aroma SteamHead complements the aesthetic of all steam room designs. It provides a steam dispersion that has no moving parts, requires no field assembly, and simple installation that matches any interior. Has an oil reservoir at the top for essential oils No assembly of moving parts required Dimensions: 3"W (8 cm) x 1"D (3 cm) x 3"H (8 cm) Installation and Operation Manual Dimensions: Width: 3" (8 cm), Depth: 1" (3 cm), Height: 3" (8 cm)