Kesoto 5Pcs DIY CO2 Diffuser System Kit Generator Part Bottle Cap

Description: - It is suitable for all kinds of DIY reactors. - Easily to set up,low cost and excellent quality.can be used for a long time. - Can be directly screwed onto carbonated beverage bottles for safe, durable and airtight. - Add and control the amount of CO2 available to your fish and plants,add essential CO2 into your aquarium water. - Material: Plastic,Size:Approx.3.3x3cm / 1.30x1.18inch Package Includes: 5 pieces CO2 DIY Reactor Bottle Cap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.