Cook® Flexor Check-Flo – Introducers with high-flex dilator, AQ hydrophilic coating and radiopaque band Product Information Used to introduce balloon, closed and non-tapered end catheters and other devices for intervention. Related products Add to cart Cook® Beacon Tip Van Schie Seeking Catheters and Van Schie Over-The-Top Catheters $0.00 Add to cart Cook® Endovascular Dilator Set $0.00 Add to cart Cook® Lunderquist DC Wire Guides $0.00 Add to cart Cook® Lunderquist Wire Guides $0.00 Add to cart Zenith Flex® $0.00