-3520 JET INSERT, BULLFROG, 4", TWIN SPIN, X-SERIES, 2015-2017 S/S GRAY, USED W/ BODY 10-3490-3520 JET INSERT, BULLFROG, 4", TWIN SPIN, X-SERIES, 2015-2017 S/S GRAY, USED W/ BODY 10-3490Availability: 10 in stockSKU: 10-3520Manufacturer part number: 10-3520 $41.37 Qty: Add to cart Custom wishlist OKAdd to wishlistAdd to compare listEmail a friendPart Number / SKU: 10-3520Product: -3520 JET INSERT, BULLFROG, 4", TWIN SPIN, X-SERIES, 2015-2017 S/S GRAY, USED W/ BODY 10-3490Category: Jets >> Bullfrog JetsProduct tags hot tub parts (7713), 10-3520 (1)