Tetra Bio-Bag Disposable Filter Cartridges, Large - For Whisper 20i, 40i, C, 20, 30, 40 & 60 Power Filters (12 Pack) Dog Pressure Mounted Gates Nylon shell is easy-care

Nylon shell is easy-care

temperatures above 140° F will destroy them

Dimensions: 48" x 18" x 24"

Made with natural ingredients and no sulfates or harsh chemicals  — soap and paraben free

Dual thermostat simply means there are two internal thermostats that will keep the surface of the bed at 10-15° F above ambient air temperature when your pet is not on the bed

Tetra Bio-Bag Disposable Filter Cartridges, Large - For Whisper 20i, 40i, C, 20, 30, 40 & 60 Power Filters (12 Pack) Dog Pressure Mounted Gates Nylon shell is easy-careTetra Whisper Bio Bag Cartridge replacements complete the Whisper Power Filter package for a clean, easy to maintain aquarium. Filled with ultra activated carbon, these ready to use disposable filter cartridges remove waste particles, odors and discoloration for crystal clear water. Genuine Whisper filter cartridge replacements Keeps water crystal clear Removes odors and discoloration Bio Bag cartridges are tough on the debris that makes aquariums