RAPID RELIEF Reusable Hot & Cold Gel Compress -Size 9"x11" Pack of 2 pro 2000 and (3) mounting screw

and (3) mounting screw

Fits most of models (M-4

to an over the counter device

Based on that information

The Acuball-Mini

RAPID RELIEF Reusable Hot & Cold Gel Compress -Size 9"x11" Pack of 2 pro 2000 and (3) mounting screwRAPID RELIEF Reusable Hot & Cold Gel Compress Size 9"x11" Pack of 2 The Direct to Skin Hot Cold Compress is a staple in the retail hot and cold therapy category. Rapid Aids non woven material is soft and comfortable directly against the skin, and the size is ideal for most common injuries to smaller joints and targeted body areas, both hot or cold. FEATURES Non toxic gel Flexible when frozen, safe for microwaveable use Ideal for targeted pain relief