When used with TO HVL filter stand, the HVL filter sets allow the medical physicist or radiographer to test the half value layer (HVL) of their X-ray system.

Sets available:
• General Radiography:     
99.5% Al, 100x100mm     
(2x 2.0mm, 3x 1.0mm, 3x 0.5mm and 2x 0.25mm)
• Standard Mammography:     
99.5% Al, 100x100mm   
(1x 0.2mm and 5x 0.1mm)
• High Purity Mammography:     
99.9% Al, 100x100mm    
(6x 0.1mm)