T7F - Black Potion Swiftlet Hormone for Automatic Dispenser and Planks 

Attracts swiftlets to stay and nest in new swiftlet farms

Helps in increasing swiftlet population in new farms

Eliminates unwanted smells especially cement smell

Is widely used by swiftlet farmers

Proven effective due to the special smell highly liked by swiftlets 

Also contain insecticides 

To be sprayed below the nesting plank every 3 weeks