Simply press the suction cup firmly against the glass ensuring no air is trapped behind. Once in position simply place the airline into the clip.
eBay
Air Pump Sand Stone Aquarium Oxygen Pump Fresh Air Stone Nano Bubble Bar Aquarium Fish Tank Aerator Pump with Suction Cup
Aliexpress UK
Good Suction, Can be used for aquarium and any glass surface. Good suction, can be used for aquarium and any glass surface. 0.98"(2.5cm). Elastic holder clip, well clip air line and easy to install / uninstall.
eBay
Air Pump Sand Stone Aquarium Oxygen Pump Fresh Air Stone Nano Bubble Bar Aquarium Fish Tank Aerator Pump with Suction Cup
Aliexpress UK
Do not suck in the refrigerator or hot places, be sure to suck in the glass or smooth plane. Good Suction, Can be used for aquarium and any glass surface. Stick the suction cup surface on the wall, press the center part of the suction cup; then rub the surrounding area to remove the air.
eBay
1/2Set Plastic Aquarium Air Stone with Suction Cups Pond Fish Tank Pump Aerator Aeration Hydroponic Oxygen Air stone Accessories
Aliexpress UK
eBay
1/2Pcs Plastic Aquarium Air Stone Pond Fish Tank Pump Aerator Aeration Hydroponic Oxygen Air stone Accessories with Suction Cups
Aliexpress UK
Versatile Application: This Pipe Clamp Suction Cup is designed to securely hold water pipes, electrical pipes, and air-conditioning pipes in place. Its strong suction cup can be easily attached to smooth walls or glass surfaces, making it suitable for various applications.
eBay
Frog Habitat Frog Holder Suction Cup Reptile Basking Area Resting Terrace Suction Cups Tank Decor ank Aquarium Aquascape
Aliexpress UK
Safe & Non-Toxic: Made from aquarium-safe materials that will not leach chemicals into the water, making them 100% safe for sensitive fish, shrimp, and live plants. These 10pcs Rubber Aquarium Fish Tank Suction Cup holders are the perfect solution for securing air line tubes, CO2 hoses, and small pump cables.
eBay
SUNSUN JVP-110 3W 2000L/H Aquarium Fish Tank Wave Maker Air Pump Wavemaker With Suction Cup
Aliexpress UK
Good Suction, Can be used for aquarium and any glass surface. Good suction, can be used for aquarium and any glass surface. 0.98"(2.5cm). Elastic holder clip, well clip air line and easy to install / uninstall.
eBay
3Pcs Suction Cups for Valve Vacuum Leak Detector Large Suction Cup 90x70mm Medium Suction Cup 70X55mm Small Suction Cup 50mm
Aliexpress UK
●Pipe Fitting. Material: Plastic. Notice: The images shown above are for reference only. If the picture is inconsistent with the actual product, the actual product shall prevail.
eBay
Suction Cups for Valve Vacuum Leak Detector Large Suction Cup 90x70mm Medium Suction Cup 70X55mm Small Suction Cup 50mm
Aliexpress UK