Seal Extension Tube Back Catalog number: 11-2569 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10984 Sparge Diffuser Price on request CTS-11093-02 Plunger, 2/pk Price on request CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request