Tetra (1)

For Aquariums 10-18 gallons (1)

For Aquariums 14-26 gallons (1)

For Aquariums 15-35 gallons (1)

For Aquariums 2-7 gallons (1)

For Aquariums 23-40 gallons (1)

For Aquariums 26-53 gallons (1)

For Aquariums 30-50 gallons (1)

For Aquariums 5-14 gallons (1)

For Aquariums up to 15 gallons (1)

For Aquariums up to 20 gallons (1)

For Aquariums up to 30 gallons (2)

For Aquariums up to 45 gallons (1)

For Aquariums up to 55 gallons (1)

For Aquariums up to 75 gallons (1)

For Aquariums up to 90 gallons (1)

250 Watts (1)

50 Watts (6)

75 Watts (2)