here is a list of stuff i use and websites. i stopped using draw needles. here are the links. These guys also have BD needles. low cost.

https://www.medical-and-lab-supplies.com/sterile-vial-adapter-13mm.html?utm_campaign=PM+Vials&utm_source=adwords&utm_term=&utm_medium=ppc&hsa_acc=2462377349&hsa_mt=&hsa_ad=&hsa_kw=&hsa_ver=3&hsa_src=x&hsa_grp=&hsa_tgt=&hsa_cam=18142898125&hsa_net=adwords&gclid=CjwKCAjwv4SaBhBPEiwA9YzZvC7s3b7EofSufm3sctFTvh7AxFREs8ftWODtjAFdG4EP3Rv7vDrwIhoCVOIQAvD_BwE

That is a cap for the vial you pop it on and place a cap on top of it to keep things sterile. CAREFUL THEY HAVE 2 SIZES MEASURE YOUR VIAL TOPS.

Up next: luer lok syringe cap MUST BE STERILE. Here is the link. https://www.amazon.com/B-BRAUN-Red-Cap-Function-Connectors/dp/B01LY9WHQC?pd_rd_w=nns5p&content-id=amzn1.sym.e9d1499d-979e-4764-af1a-4b0fc4e747e5&pf_rd_p=e9d1499d-979e-4764-af1a-4b0fc4e747e5&pf_rd_r=V70W9QPK15WVF3X6E9ZZ&pd_rd_wg=kBN7e&pd_rd_r=83fdd9b0-f677-4bf7-af74-e18567ce3bcb&pd_rd_i=B01LY9WHQC&psc=1&ref_=pd_bap_m_rp_aisle_wdg_120_1_i

That item is used to seal the vial. suggest replace every other use.

Up next. Inlike these syringes smooth operation no excess pressure required. https://www.amazon.com/Easy-Glide-Sterile-Syringe-Syringes/dp/B08H8KMGTG?pd_rd_w=wmfDn&content-id=amzn1.sym.e9d1499d-979e-4764-af1a-4b0fc4e747e5&pf_rd_p=e9d1499d-979e-4764-af1a-4b0fc4e747e5&pf_rd_r=V70W9QPK15WVF3X6E9ZZ&pd_rd_wg=kBN7e&pd_rd_r=83fdd9b0-f677-4bf7-af74-e18567ce3bcb&pd_rd_i=B08H8KMGTG&psc=1&ref_=pd_bap_m_rp_aisle_wdg_604_1_sc