It is suitable for all types of DIY reactors. Easy to set up, low cost and excellent quality. Being used for a long time. can to be screwed directly on bottles of soft drinks for safe, durable and waterproof use. Add and control the amount of CO2 available for your fish and plants, add essential CO2 in the water of your Aquarium. The description: It is suitable for all types of DIY reactors. Easy to set up, low cost and excellent quality. Can be used for a long time. can be screwed directly to bottles of soft drinks for safe, durable and waterproof use. Add and control the amount of CO2 available for Your fish and plants, add CO2 essential in the water of your aquarium. Material: plastic, size: approx.3.3x3cm / 1.30x1.18inch The package includes : 5 pieces CO2 DIY reactor cap Note: Due to the light setting difference and the screen, the color of the element can be slightly different from that of the images. Please allow a slight difference in dimension due to different manual
