There are two main things to consider in nozzles. If you want to really feel the water going in, the water exit hole(s) have to be fairly low down in the rectum, where the most sensitive nerves are. A short nozzle, no more than three inches long will give you the best sensation. I like the little white or black regular enema nozsle for those feelings but you have to hold the nozzle in throught the enema.
The thicker nozzles, 1 inch and a half in diameter or larger, take a little more back or forth to get in (that's fun, too), and give a nice feeling of fullness, but if they only have one exit hole, you won't stimulate those rectal nerves and you'll lose some of the sensations of the water entering.
Try both. The short ones, I think, are best for the first couple of soapy enemas. Enjoy the incredible senstions of the water hitting on those nerves. For the larger volume rinses, a thicker, longer, bullet shaped nozzle will prevent leaking an make taking and retaining a salted water solution much easier. I've never tried a real double balloon rectal catheter, but have one of the cheaper inflatable barium type bulbs. Harder to insert, since the nozzle is pretty thick, and you need to keep the bag lower, since the tube is of a large diameter and flows in quickly, but I like to use it sometimes in the shower after I've taken a couple of fairly hot and super soapy cleaner-outers. A real double balloon rectal catheter would be better, of course, but those cost $150.
Mix it up. And most importantly, have fun. Each nozzle has its pros and cons and depending on how and where you're taking the enema(s) will tell which one you want for each circumstance. And, if you can afford a JBL with a valve (my latest treat) you can take any amount of any kind of solution while you're reading these letters or stories and that adds a sexual element and a whole new kind of excitement. And isn't that what taking enemas is all about?? 😉 If you don't know what a JBL is, take a ook at Beth Tyler's site. Excellent phtots and description. And the equipment section is free to non-members.
San