Available patch test units/devices

Finn Chamber

Manufactured and distributed by SmartPractice Finland

8 mm round aluminum discs

Strips of 10

Trays are stackable

1. Rare reactions to aluminum
2. Rare corrosion by some aqueous solutions
3. Need to add filter paper for liquids
4. Easy to see disc imprints

IQ Square Chamber/IQ Ultra Chamber

Marketed by Chemotechnique Diagnostics, distributed by Dormer Labs Inc., Toronto, Ontario

9x9 mm square chambers

Strips of 10

Polyethylene plastic chambers

Filter paper incorporated

1. Thin soft chambers for comfort
2. Adhesive rim to each chamber minimizes leakage
3. Can reattach protective tape after filling chambers

Allergeaze Chamber

Marketed by SmartPractice Canada

8x8 mm square chambers

Acetal copolymer chambers

Strips of 10 chambers mounted on nonwoven polyester

van der Bend Chamber

Marketed by van der Bend B.V., The Netherlands

10x10 mm square chamber

Whatman filter paper fixed in each chamber

Haye's Test Chamber

Marketed by HAL Allergenen Lab. B.V., The Netherlands

8x8 mm square chambers

Strips of 10 square chambers

Hydrophilic unbleached nonwoven polyester chambers