Under $5

CP-2950C-BLK Cap, Black (for BO-2950B-G) by AquaPhoenix

33-400 neck finish, 33mm diameter, 400 thread finish, 7.3g weight. The poly-seal liner molds itself to the bottle as it is screwed on, eliminating leaks, evaporation, and contamination.

F6-3B 3 Foot Black F Male to F Male by Test Products International

F-series coax cable assemblies with screw-on ends for broadband applications, including video and cable television.

Features

• UL Listed Cable: Ensures quality and consistency in the cable construction.
• RG-6: Cable type that is standard in the video and cable TV industry
• Molded Ends: Limits the amount of bending the cable is exposed to at the connector to prevent cable breakage.
• Screw-on F-Type Connectors: Ensure positive connection thus eliminating shadows in the picture.
• Multiple lengths up to 100 feet
• Available in black or white
• Individually bagged

CP-5001C-PUR Cap, Purple (for BO-5001B-P, BO-5002B-P, BO-5003B-P) by AquaPhoenix

Screw cap made of polypropylene. Cap is ribbed to ensure easy handling.