"This product is part of the Harmony 9001K range, an offer of Ø 30mm metal pushbuttons, switches and pilot lights." "This lens is an accessory for Ø 30mm illuminated mushroom head pushbutton." "It is available in green color. The outer diameter of this product is 41mm. It weighs 0.005kg." "It is ideal for petrochemical, metallurgy, mining, oil and gas applications. It is also suitable for automotive, water and wastewater treatment applications." "This product is compatible with Harmony 9001K and 9001SK range pushbuttons." "A comprehensive range of illuminated pushbuttons, pilot lights, emergency stop buttons, selector switches, joystick controllers and accessories to fit your needs." "The modular range of Ø 30mm metal control and signaling provides robust and reliable solutions for a wide range of heavy industry applications."