The AquaMaxx Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful rare-earth magnets that work on aquariums as thick as 1/2". Features two smaller holes for pH/ORP probes and two larger holes for larger-diameter probes; such as the Neptune Apex Temperature Probe. The unique box design with 3 contact points also ensure that the probes are ultra secure and upright when installed.
Powerful magnets for aquariums up to 1/2"
Two 13mm holes and two 17mm holes to accommodate a wide range of probes
Compact design to fit in tight spaces
Holds up to 4 probes
High quality acrylic construction
Dimensions (w/o probe screws & dry side magnet): 3-9/16"L x 1-5/8"W x 2-3/16"H
Magnet Diameter: 2"