The full CO2 system includes high-quality equipment from top brands like DENNERLE and JBL, ensuring a reliable and efficient setup for your fish tank. Made in Germany, this complete CO2 system comes with a single unit that includes everything you need to effectively regulate the CO2 levels in your aquarium. 1/DENNERLE UNDER SUBSTRATE HEATER 2/ JBL PH MONITOR WITH NEW PH SENSOR NOT JBL 3/ EMPTY CO2 CYLINDER DENNERLE REFILLABLE 4/ JBL CO2 GAUGE 5/ DENNERLE CO2 PIPE 6/ VARIOUS BUBBLE LADDERS AND ATOMISER MOST MADE BY DENNERLE
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