Аксессуар для регулировки рыбка с пузырьками, небольшой двухголовый воздушный насос, регулирующий рассеиватель, легко устанавливается с одной головкой, сделай сам СО2 счетчик

Features:
Due to the bubble counter, you can clearly know the volume of carbon-dioxide through the rising air bubbles from the bottom to regulate the carbon-dioxide supply for plants in the fish tank.
Additionally, it features a non-return function to prevent the backflow when the pressure changes.
It is made of material, so it is durable and reliable.
A small thing will make your fish tank different.
Small and compact,easy to install and replace.
Specifications:
Material: Copper
Color: Silver
Interface specification: Threaded interface: G1/8 thread
Quick screw interface: 4mm, suitable for aquarium co2/oxygen tube 4/6mm air tube
Type:Single Head/Double Head
Package included:1pc x Bubble Counter
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.