Fluval Pre Set Submersible Aquarium Heater

The Fluval P-Series Pre-Set Submersible Aquarium Heaters deliver reliable and hassle-free heating for smaller tanks. Designed specifically for aquariums up to 50 liters, these heaters come pre-set to maintain a consistent temperature of 24–26°C, perfect for both freshwater and marine setups. Their fully submersible design lets you place them anywhere in the tank, while the shatterproof polymer housing ensures safety and durability. The built-in LED indicator light makes it easy to see when the heater is working.

Available sizes:

• P10: 10W heater for aquariums up to 10 liters
• P25: 25W heater for aquariums up to 25 liters
• P50: 50W heater for aquariums up to 50 liters

Key features include:

• Pre-set temperature range of 24–26°C for consistent, worry-free heating
• Fully submersible for flexible, safe placement
• Durable shatterproof polymer construction
• LED indicator light to show heating status
• Suitable for both freshwater and saltwater aquariums

Ideal for nano tanks and small aquariums, the Fluval P-Series heaters provide dependable warmth to keep your aquatic pets comfortable and healthy.