IceCap 4-Probe Magnetic Holder

The IceCap 4-Probe Magnetic Holder universally mounts tubing securely to most smooth locations up to 1/2" thick. The magnetic holder can be fixed on the sump or aquarium wall and can hold up to 4 Probes. Dimensions (LxWxH): 3.5 x 2 x 1.75in.