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20-foot colored (green).safe from effects of ozone gas and ultraviolet rays. On whitening. Elite airline tubing is designed for use in all fresh or salt water environments. Thick wall. Long lasting. Super soft improved kink resistance. Keep up with your aquarium maintenance using these miscellaneous parts.

Toys were developed through direct observation of bird behanior to exercise the birds body and mind

Keep up with your aquarium maintenance using these great accessories.

Durable air stone diffuses water in every direction to create a dazzling underwater scene. this increases surface agitation and accelerates oxygen replenishment. also helps release carbon dioxide build-up.

Product Details
Fits standard airline tubing. attach air hose to air stone inlet place in desired position weigh airstone down or cover with gravel if necessary adjust airflow as required. fits common box filters and undergravel riser stems.
1 piece round 1 3/16 (3 cm) blue