There is a $35 Minimum order requirement

Medium Pore Air Diffuser Stones $35.00 Minimum Order

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Air Stone Model #1111 {.5" x .5" x 1.5"} with 5/32" OD Poly barb, Medium Pore Air Diffuser Stone {Same as AS1}
$2.46
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Air Stone Model #1112 {.75" x .75" x 1.5"} with 5/32" OD barb, Medium Pore Air Diffuser Stone {Same as AS2}
$2.77
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Air Stone Model #1010 {1" x 1" x 1"}with 3/16" OD barb, Medium Pore Air Diffuser Stone
$3.33
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Air Stone Model #1020 {1" x 1" x 2"} with 3/16" OD Poly barb, Medium Pore Air Diffuser Stone {Same as AS3}
$3.80
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Air Stone Model #0020 {1.5" x 1.5" x 1.5"} with 3/16" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS4}
$4.32
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Air Stone Model #102NS { 1" x 1" x 2" } with 1/4" NPT Poly, Medium Pore Air Diffuser Stone {Same as ALS3}
$4.62
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Air Stone Model #103NS { 1" x 1" x 3" } with 1/4" NPT Poly, Medium Pore Air Diffuser Stone {Same as ALS5}
$6.07
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Air Stone Model #1030 { 1" x 1" x 3" } with 3/16" OD Poly barb, Medium Pore Air Diffuser Stone {Same as AS5S}
$6.20
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Air Stone Model #1031 { 1" x 1" x 3" } with 1/4" OD Poly barb, Medium Pore Air Diffuser Stone {Same as AS5L}
$6.20
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Air Stone Model #0030 {1.5" x 1.5" x 3""} with 3/16" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS8S}
$7.30
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Air Stone Model #0031 {1.5" x 1.5" x 3"} with 1/4" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS8L}
$7.30
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Air Stone Model #003N {1.5" x 1.5" x 3"} with 1/2" NPT Poly, Medium Pore Air Diffuser Stone {Same as ALR8}
$8.64
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Air Stone Model #0061 {1.5" x 1.5" x 6"} with 1/4" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS15S}
$12.45
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Air Stone Model #0062 {1.5" x 1.5" x 6""} with 3/8" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS15L}
$12.45
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Air Stone Model #006N {1.5" x 1.5" x 6"} with 1/2" NPT Poly, Medium Pore Air Diffuser Stone {Same as ALR15}
$14.62
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Air Stone Model #0091 {1.5" x 1.5" x 9"} with 1/4" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS23S}
$18.01
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Air Stone Model #0092 {1.5" x 1.5" x 9"} with 3/8" OD Poly Barb, Medium Pore Air Diffuser Stone {Same as AS23L}
$18.01
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Air Stone Model #009N {1.5" x 1.5" x 9"} with 1/2" NPT Poly, Medium Pore Air Diffuser Stone {Same as ALR23}
$20.80
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Air Stone Model #00141 {3" x 3" x 1.5"} with 1/4" MPT OD Poly, Medium Pore Air Diffuser Stone {Same as ASW88S}
$22.00$19.99
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Air Stone Model #00142 {3" x 3" x 1.5"} with 3/8" MPT OD Poly, Medium Pore Air Diffuser Stone {Same as ASW88L}
$22.00$19.99
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Air Stone Model #0012N {1.5" x 1.5" x 12"} with 1/2" NPT Poly , Medium Pore Air Diffuser Stone {Same as ALR30}
$26.77