The 7Kg close proximity collimator offers 6 HVL when used with Ir 192. This collimator can be used with any SPS Viking Projector
The 7Kg close proximity collimator offers 7.5 HVL when used with Ir 192. This collimator can be used with any SPS Viking Projector
The 7Kg close proximity collimator offers 11 HVL when used with Ir 192. This collimator can be used with any SPS Viking Projector
The most popular variety of collimator offering a good weight to attenuation ratio.