![GROCO 1-1\/2" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/608x608/products/33407/45557/111453XL__19771.1762979536.jpg?c=1 "GROCO 1-1\/2\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]")
![GROCO 1-1\/2" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/33407/45557/111453XL__19771.1762979536.jpg?c=1&imbypass=on "GROCO 1-1\/2\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1500-W]")
![GROCO 1" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33405/45555/111451XL__94071.1762979531.jpg?c=1 "GROCO 1\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1000-W]")
GROCO 1" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1000-W]
GROCO
DEAN-111451
$38.99
RRP:
$61.00
1" Slotted Hi Speed Thru-Hull with NutFeatures:
![GROCO 1-1\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33406/45556/111452XL__27559.1762979534.jpg?c=1 "GROCO 1-1\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-1250-W]")
GROCO 1-1/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-1250-W]
GROCO
DEAN-111452
$66.99
RRP:
$104.00
1-1/4" Slotted Hi Speed Thru-Hull with NutFeatures:
![GROCO 3\/4" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/33404/45554/111450XL__37750.1762979529.jpg?c=1 "GROCO 3\/4\" Slotted Hi Speed Thru-Hull w\/Nut [HSSLTH-750-W]")
GROCO 3/4" Slotted Hi Speed Thru-Hull w/Nut [HSSLTH-750-W]
GROCO
DEAN-111450
$26.99
RRP:
$41.00
3/4" Slotted Hi Speed Thru-Hull with NutFeatures:
![GROCO 1-1\/2" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1500-W]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/13031/15697/75379XL__38177.1715743684.jpg?c=1 "GROCO 1-1\/2\" Bronze High Speed Thru-Hull Fitting w\/Nut [HSTH-1500-W]")
GROCO 1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut [HSTH-1500-W]
GROCO
DEAN-75379
$60.99
RRP:
$95.00
1-1/2" Bronze High Speed Thru-Hull Fitting w/Nut Features:Designed for increased flow compared to standard Thru Hulls and with less dragNPSM / NPT combination threadC83600 Bronze...
