Lockable wall units of melamine-resin coated wood or flux coated steel for the secure storage of poisons. Inside with an extra lockable compartment for highly concentrated poisons and a rotting-free compartment bottom of triplex-glass. The cupboards can be integrated due to the dimensions into standard lab furnishings or hanged separately. Lockable wall units of melamine-resin coated wood or flux coated steel for the secure storage of poisons. Inside with an extra lockable compartment for highly concentrated poisons and a rotting-free compartment bottom of triplex-glass. The cupboards can be integrated due to the dimensions into standard lab furnishings or hanged separately.