We have used these on our Boston since the day she was diagnosed. We had a slight issue with the wrong ones being sent by mistake. Jeffers and Earl came thru big time! I have NEVER had any business do as much as Earl and Jeffers did to help us get the co

perfect for measuring this med because there are 100 units in one CC. Ive been using unit syringes for years to measure this med into a hot dog. I use a 3 cc to pull from the bottle. then fill the unit syringe and perfect 1 unit per lb of body weight can

here at the meriwether co. animal shelter we heartworm test a lot of dogs. these syringes do a jam-up job.the needle is the perfect length and the syringe holds more than enough blood for the test. thanks