Poly Bio Marine Poly Filter Pad - 4" x 8" Pond Filtration The lid of the bottle

The lid of the bottle is a squeaker so not only does this toy crunch and crackle

This special thermostat also includes a Hygrostat too

(80w combined)

Set of Sealing Rings for 2076/2078 - 4 pk

the date of purchase

Poly Bio Marine Poly Filter Pad - 4" x 8" Pond Filtration The lid of the bottlePoly Bio Marine In 1976, Poly Bio Marine, Inc. developed, patented and commercialized a truly unique product, the "Poly Filter" . It was specifically designed for chemical filtration in the aquarium. Its unique properties and strict quality control offered distinct advantages to the amateur fish keeper and professional aquarist alike. The product was invented by a marine biologist, polymer chemist and medical pathologist. Its purpose was to eliminate