MadMax Trade Supply
Prices include the sales tax we pay at purchase (shown for Minnesota; your cart updates it for your ship-to state) and, where noted, shipping. No separate tax line. Order online; we email a secure payment link before anything ships.

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Representative image: inline radon fan and U-tube manometerRepresentative image — tap to enlarge

GX4 Installation Kit For 3-inch Pipe

$281.60

Price includes the sales tax we pay at purchase (shown for Minnesota; your cart updates it for your state). Shipping is calculated before your payment link is sent.

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Typical delivery is a few business days in the contiguous United States. A delivery estimate is confirmed in your payment-link email.

SKUMM-RAD-A2286B
BrandRadon Supplies
Price checked2026-11-14

Sold by MadMax Trade Supply (reseller). Typical delivery is a few business days in the contiguous United States. Terms, shipping & returns.

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