Lightweight fly rod tube for backpacking. Flourescent light bulb protector from home depot ($5). Cut to length. Weighs about 2.5 oz. Couldn't find anything online under 10oz. : r/WildernessBackpacking

Metalux 4 ft. T12 Fluorescent Bulb Tube Guard with End Caps TG04 - The Home Depot

Travel Tube – Vision Fly Fishing

Halco 109324 - F17T8/741/ECO 2 Foot Plus Straight T8 Fluorescent Tube Light Bulb

Dynatrap 6-Watt Fluorescent UV Bulbs for Outdoor Insect Trap - 2 Pack

Travel tube Brown Adventer & fishing

Tube Lights, Tube Light Bulbs

Fluorescent Tube Lights - Tube Lights - The Home Depot

Travel Tube – Vision Fly Fishing

Fly Rod Tubes & Socks, CTS Fishing

Durable but light fly rod tube for backpacking - Backpacking Light

Coldwater Fly Fishing - Fly Fishing Rod Tube for Travel and Storage- Single Rod Only

Fly Rod Cases – Mountain Cork

Fly Rod Tubes & Socks, CTS Fishing

Metalux 4 ft. T8 Fluorescent Bulb Tube Guard with End Caps LTG04T8 - The Home Depot

Say goodbye to bothersome flies and pesky insects with the Prolite 13W T4 Stick E27 Blacklight Lamp, specifically engineered to attract flies and insects with its BL368nm UV light technology. Designed with precision and effectiveness in mind, this lamp serves as an exceptional tool for insect control and elimination.This lamp emits a concentrated BL368nm UV light that acts as a beacon for flying insects.

Pro-Lite PLEC/13W/ES/INS 13W Blacklight UV Fly Killer Bulb, ES