6" STRAIGHT AIR DIFFUSER
- For Use with Pondmaster AP-20 and AP-40 Air Pumps
- 16 sq. in. of Active Surface Area.
- Recommended Tubing Sizes: 1⁄2" or 5⁄8"
7" DIAMETER RING AIR DIFFUSER
- For Use with Pondmaster AP-40, AP-60 and AP-100 Air Pumps
- 18" Total Length
- 48 sq. in. of active surface area
- Recommended Tubing Sizes: 3⁄4" or 1"
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