3 stars because it does ultimately do what I needed, though it feels quite pricey for what it is. For the price it should be at least a foot or two longer as it barely reaches to my not tall nightstand while sitting the tank on the floor which is the whole purpose. Also the threading seemed to be slightly off on the extension as it really doesn't want to thread on the tank while the original cable works perfectly.
*edit for clarity* I actually bought the hose and cable extension kit, but I was sent the link to review only the wiring extension. I assume this is because while I ordered the kit I only received the hose at first and had to contact support to find out they were actually out of stock of the wiring extension at the time. Support stated that I should have received a note in my package that the wire extension was on back order on would ship at some point in the future. I'm happy enough that the missing part did come within a couple weeks, but I would have preferred they simple show out of stock on the website and let me order when they had stock instead of handling it this odd way.
Ultimately I'm quite happy with the product and accessories and I'm glad they are available as I'm not aware of another solution available that fills the niche, so it makes sense the main product is a little pricey. A short plastic tube and 3 wire cable should be off the shelf components though and not custom made, though I will admit the hose is very high quality and I assume medical grade. I have and will continue to recommend this product and look forward to getting their new cleaning product as well. I will bump my score to 4 stars to better reflect my overall satisfaction with the company and whole product, its not my intention to disparage the company but encourage them to keep improving.
