ALA Disks™, delta-aminolevulinic acid, for the differentiation and speciation of Haemophilus spp., a porphyrin test.

• A useful aid for differentiating species of Haemophilus
• Spring-loaded for smooth and reliable dispensing
• Single metal disk dispenser

Each cartridge contains 50 disks that are spring-loaded for smooth and reliable dispensing from the single metal disk dispenser by BD BioSciences.

ALA Disks require the use of a handheld 366 nm ultra violet lamp.