Review on ISTA I H615 Inline External Heater by Jasmine Reed

I installed it on my 300g aquarium last year. The sensor failed so I just ordered another one because I really need the built in heater. Well when it arrived I opened it up and the ends were different. I thought I accidentally ordered the wrong hose size. So I returned it. I ordered a 5/8" and it arrived today and THIS IS THE END. First of all the ends on the box picture don't even match what is in the box on both I ordered. The first photo is what is advertised and that's what I had with my original which I ordered last year. The second photo is the end I have. The third photo is the end I ordered. The fourth photo is the 5/8", which I ordered and THIS IS THE SAME THE 1/2". Now I have to use a completely different heating system and hoses to fix this.. THANKS SO MUCH!