4 inch wide bubble column
4 inch wide bubble column

Rena OEM Bubble Disk Diffuser 4" diameter (11 cm) (bulk)

Your Price: $7.39
Retail Price:$19.99
You Save:$12.60(63%)
Part Number: RO3747J
Availability: In Stock.
The Rena resin molded diffuser disk will produce a strong column of bubbles for use in larger applications. The disk can be placed inside a cylinder as small as 5 inches in diameter to produce strong uplift currents or inside an aquarium or pond to produce a wide column of bubbles for surface agitation. Each diffuser has a hollow core fitted with 3/16" tubing barb and can be operated with lower pressure, less expensive air pumps. Use with 3/16 or 1/4 inch vinyl airline tubing or 1/8 inch silicone tubing.

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