The pump output section features a removable bent screw. Inside, there is a white cross rose that allows adjustment of the oil flow. This unit operates quietly during use. Features: - Removable bent screw design - Adjustable oil flow via cross rose - Operates with low noise Main application: compatible with smoke machines Model options: 30DCB and 40DCB (selectable) Constructed from high-quality materials for durability; compact design Specifications: - Main material: Stainless steel - Model types: 40DCB; 30DCB (optional) - Voltage: 110V–120V - Light source power: 18W - Protection class: IP40 Weight and dimensions: - 30DCB item weight: 115g / 4.06oz - 30DCB package weight: 125g / 4.41oz - 40DCB item weight: 130g / 4.59oz - 40DCB package weight: 140g / 4.94oz - Item size: approximately 10 x 3 x 2cm / 3.94 x 1.18 x 0.79in - Package size: 15 x 4 x 2cm / 5.91 x 1.57 x 0.79in Notes: - 30DCB is compatible with 400W smoke machines only - 40DCB is compatible with 900W smoke machines only - Color may vary as it is randomly assigned Package includes: 1 x Smoke machine oil pump