Each suction cup includes a clip to securely hold your aquarium heater in place, reducing movement and heat gaps. Why you need it - Keeps heaters fixed and stable on glass or acrylic tanks. - Simple, tool-free setup with universal compatibility for most standard heaters. - Durable rubber construction provides reliable suction and easy removal. - Precise size: 34 mm suction cup diameter with a 24 mm clip; supports heater diameters of 2.5 cm, as well as PVC pipes or tubing. What makes it stand out - Easy to install and reposition without tools - Works on common tank surfaces (glass and rubber-safe to prevent scratches) - Lightweight yet sturdy enough to keep heaters in the correct position Specifications at a glance - Suction cup diameter: 34 mm - Clip size: 24 mm - Compatible heater diameter: 2.5 cm - Suitable for PVC pipes or tubing use scenarios - Typical aquarium setup: attach the heater to a side panel of a standard glass or acrylic tank to keep heat distributed evenly. - Sump or external plumbing: mount near a PVC pipe or tubing to direct heat where needed without obstructing return flow. - Maintenance and relocation: quickly reposition the heater during tank cleaning or water changes without removing the heater entirely.