gpu water block

Hi, I recently purchased a EK-VECTOR RTX RE RGB GRAPHICS CARD WATER BLOCK - NICKEL + PLEXI from Overclockers, to compliment the CPU cooler I installed last week. I have a Gigabyte GeForce RTX 2080 Gaming OC 8G, 8GB GDDR6 (GV-N2080GAMING OC-8GC) which according to the page for the water block...

So recently I've been trying to find a water cooling block for my GPU. I have the GIGABYTE Nvidia 1080ti G11. https://www.gigabyte.com/Graphics-Card/GV-N108TGAMING-OC-11G#kf That's the link to the GIGABYTE's product website. I've only found two compatible blocks that fit the card; 1)...