Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

100W Aquarium Heater, 9.5 x 1 x 1 in, 1.5M/4.9ft cable
This aquarium heater is simple and beautiful in appearance, placed in your aquarium, unobtrusive, and will not destroy the fish tank landscape. You and your fish will like it.
We adopted 2mm thickened quartz glass, much safer for both human and animals. And this fish tank heater will turn off automatically when reaches temperature you set, without overheating.
For the products, we have been keeping improving. Please contact us when there isany question or suggestion in use, we offer the excellent service and think highly of every user’s opinions.
Features:
1. Good in maintain temp.
2. Both suitable for freshwater and saltwater.
3. Complete accessories: An extra stick-on thermometer(just peel and stick) and 2 extra suction cups are provided for spare(total 3).
4.  Better construction: Adopt 8-slot multi-branched heating wire ceramic frame, better heat dissipation, 9.5 x 1 x 1 inch, saving more space for your fish.

Cautions:
1. The heating part must be fully submerged in the water to avoid dry-burning,otherwise will cause damage to heater.
2. Please clean the heater regularly to remove dirt from the heating tube and keep it in good working condition.
3. It is forbidden to pull the heater adjustment knob outwards.
4. If you need to change the water, please turn off the power, let the heater cool down for more than 20 minutes, wait for it to cool down completely before taking it out.
Product Dimensions ‏ : ‎ 9.5 x 1 x 1 inches; 9.52 Ounces
Date First Available ‏ : ‎ June 28, 2019
Manufacturer ‏ : ‎ IBAY
ASIN ‏ : ‎ B07SL8VVLD

Application: 100W water heater is suitable for 10–30 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using.
Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C – 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay.
Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 9.5*1*1 in(24*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.
Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase.