The Instech USP-S-1-BD1P-50 is a pharmaceutical-grade sterile catheter flush solution containing normal saline (0 9% NaCl) 50 pre-filled BD 1mL slip-fit syringes each equipped with a pre-installed PNP3M PinPort injector Designed for laboratory animal research these syringes maintain catheter patency and allow for aseptic blood sampling while minimizing the risk of air injection or microbial contamination Prepared following USP standards br br Features ul li Type Sterile catheter flush solution (pre-filled) /li li Formulation 0 9% Isotonic Saline (Normal Saline) /li li Syringe BD 1mL slip-fit syringe /li li Fill Volume 1 0 mL (0 034 fl oz) /li li Sterility Sterile syringes PNP3M and cap (EtO) solution sterile filtered (0 22 m) /li li Expiration 1 year from date of manufacture /li li Quantity 50 syringes (10 packs of 5) /li li For animal research only not for human use /li /ul