Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.

"Thank for quick and easy solutions to our silicone needs. Your website is so well designed and everything is easy to find it only took us 3 minutes to find everything! Keep up the good work guys!"

"looking forward to trying your products.haven't dealt much with an fittings and i hope that if i have any questions your company can help me out.your company came well recommended by some good friends of mine."

"Thanks for the response. We have an inside joke that you guys only hire ninjas with how fast your service is. SIS is definitely the first place I check for parts. You guys have a great thing going on there. Thanks!"

"Just wanted to drop you a line to say "thank you for my order".. I recieved it today , and I am very impressed with the quality of the hoses .. Man they are 100% super !! Great Quality!!!"

" Really informative article post. Awesome."

"I'm a return customer and just wanted to say great job! everything was packaged nicely, and shipped promptly. I intend to remain a lifelong customer. Thanks for the hard work."