Penn-Plax Inc.

Cascade™ Therma-Temp™ Floating Thermometer provides a simple and reliable way to monitor aquarium water temperature. Designed to float freely or attach to aquarium walls, it helps support a stable environment for freshwater and saltwater fish.

Cascade™ Therma-Temp™ Stainless Steel Aquarium Thermometer - Mercury Free - Safe for Freshwater and Saltwater Fish

Cascade™ Deluxe Air+Check Valve - 3-Pack - Adjustable Gang Valve Outlets

GLASS LID FOR WW110K

Cascade™ Radius Aquarium Kit - 5 Gallons - 13.75" L x 8.75" W x 11" H - Includes LED Light, Internal Filter, and Mat - Perfect for Shrimp and Small Fish

GLASS LID FOR WW111K