Glass Floating Aquarium Thermometer with Suction Cup Proper water temperature is essential to a healthy Aquarium environment. Make sure the temperature in your habitat is exactly where it needs to be with this glass floating Aquarium Thermometer. This thermometer attaches easily to both plastic and glass walls, and features numbers that are easy to read and accurate readings. ? Easy to read Glass Thermometer ? Floats at top of aquarium, weighted end keeps upright ? Includes rubber suction cup to attach to glass or plastic aquarium walls ? Sealed glass, easy to clean ? Length 4 1/4" x 1/2" diameter ? Ideal for fresh water, marine, aquariums, terrariums, vivariums and fish tanks We sell many aquatic products online, check out our store!! Terms and Conditions. We use PayPal for taking payment, if you wish to purchase via other methods please email us for customer service. Sales Tax will be added to all shipments to New Jersey. We always try to combine purchases, please contact us directly for a personal service. You will be notified on the day that your goods have been dispatched via e-mail with tracking which is used on all purchases. Please note that if there are any problems, contact us first via e-mail giving full details of any problem along with your user ID. We use USPS and UPS as our chosen carriers shipments to Hawaii, Alaska Puerto Rico may incur surcharges, contact will be made to advise before shipment at which point the order can be canceled if desired. Orders placed on Saturday/Sunday Public Holidays will be processed next working day. We pride ourselves on excellent feedback, if any part of the buying experience is not to your satisfaction, please contact us to rectify before leaving feedback. By committing to buy you are agreeing to the Terms Conditions stated above.