The Marine Metal ABS-5 Air Donut is the perfect replacement or upgraded air stone for your live bait air bubble pump. At 5 inches, this air diffuser is versatile for small or large bait buckets, tanks, or aquariums. Plus, it's quality materials make it durable and ensure it stays at the bottom of your bait bucket. UPGRADE YOUR AERATOR: This air donut serves as a replacement aerator accessory or as an upgrade to your existing air stones 5" AIR DIFFUSER: For bait buckets, bait coolers, or fish tanks and aquariums, this 5" diffuser fits in both smaller or larger containers STAYS IN PLACE: This weighted glass bead air donut will stay at the bottom of your tank or bait bucket and includes a suction cup to secure it SALTWATER & FRESHWATER USE: This air bubbler accessory is ideal for both fresh and saltwater use
