Manufacturer of Insecticides -Dethlac Insect Lacquer and Dethtrap Whitefly Catchers to the wholesale market - hardware, garden centres and chemists. Dethlac kills ants, cockroaches, woodlice and crawling insects. Wholesalers include Decco, Stax & Mica Hardware. Retailers include Wilkinsons (Wilko's), Robert Dyas, Mica and Focus No Frills. Gerhardt is based in Wimbledon, London and distributes a first class service throughout the UK.