Penn-Plax Check-Valve Air-Filter cleans air and prevents water back-up. Protect your air pump against water damage, supply clean air to your aquarium!
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Hikari Aquarium Solutions Check Valve is a high impact plastic check valve offering ideal cracking pressure to prevent surging. Quantity: 2 per package
8225 Fairgrove Church RdBrown Summit NC 27214(919) 892-8994
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