ATI GPI Filter Kit, includes 3/4 in. NPT cast iron adapter, 10 micron filter and 3/4 in. x 4 in. nipple. Fits all GPI M150S and EZ8 pumps.
ATI GPI Filter Kit — 10 Micron Protection for GPI M150S and EZ8 Pumps
Filter Debris Before It Reaches Your Pump
- Free Shipping -- Ships free to your location
- Free Compatibility Check -- We verify pump fitment before your order ships
$89.99
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In the box
- 3/4 in. NPT cast iron adapter
- 10 micron filter
- 3/4 in. x 4 in. nipple
Filter Debris Before It Reaches Your Pump
This field-proven ATI GPI Filter Kit protects your transfer pump from contaminants that cause premature wear and costly downtime. Built-to-spec with a 3/4 in. NPT cast iron adapter, a 10 micron filter element, and a 3/4 in. x 4 in. nipple, it installs directly onto GPI M150S and EZ8 pump models. No modifications needed — thread it on and run clean fuel. Ships free.
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Fits GPI M150S & EZ8
No-Mod Install
10 Micron Filtration
Cast Iron Adapter
10 Micron
Filter Rating
3/4 in.
NPT Thread Size
4 in.
Nipple Length
Pump Compatibility Verified Before It Ships
The vendor who ships a filter that doesn't thread onto your GPI M150S doesn't just cost you a return — they cost you a day of downtime while your fleet sits. Tank Vault eliminates that risk. We verify your pump model and fitting compatibility before the order leaves our system. If you're running an EZ8 and need a 3/4 in. NPT connection, we confirm it. If there's a mismatch, we catch it before you pay. This 10 micron filter kit with cast iron adapter and nipple threads directly onto GPI M150S and EZ8 pumps — no guessing, no returns, no wasted hours on the fuel pad.
10 Micron Filtration Stops Contaminants at the Pump Inlet
Diesel fuel picks up particulate — rust, scale, dirt — every time it moves through a tank, hose, or nozzle. Unfiltered fuel goes straight into your pump's internal components, scoring vanes and wearing seals until the pump loses flow or fails entirely. This filter kit uses a 10 micron element to catch debris before it enters your GPI M150S or EZ8 pump. The result is longer pump life, consistent flow rates, and fewer mid-season replacements. For a fleet that refuels daily, that's not a minor convenience — it's the difference between a pump that lasts two years and one that lasts six months.
Cast Iron Construction Handles Daily Fuel Transfer Duty
The 3/4 in. NPT adapter in this kit is cast iron — not aluminum, not plastic. Cast iron handles the vibration, pressure cycling, and temperature variation that come with repeated fuel transfer without cracking or stripping threads. The included 3/4 in. x 4 in. nipple gives you the thread length needed to seat the filter securely between your pump inlet and the fuel line. For operations running diesel through GPI pumps every day, this is an industrial-grade fitting set designed to hold up under real use — not a hardware-store part that fails after a month of service.
Compatibility Check
Verify your setup before ordering.
- Pump model is GPI M150S or EZ8
- Pump inlet accepts 3/4 in. NPT fittings
- Fuel transfer application requires 10 micron filtration
Where This Filter Kit Performs
Designed for field deployments where fuel cleanliness matters.
Farm Fueling Operations
Job Site Pump Protection
Fleet Diesel Transfer
Full specifications
At a glance
- Dimensions
- 3/4 in. x 4 in.
- Surface
- Cast iron
- Warranty
- See product page
Full specifications4 data points across 4 categories
Dimensions
| Nipple Size | 3/4 in. x 4 in. |
|---|
Power & Performance
| Filter Rating | 10 micron |
|---|
Materials
| Adapter Material | Cast iron |
|---|
Compliance & Warranty
| Warranty | See product page |
|---|
The Tank Vault Promise
Every order backed by accountability — not excuses.
Free ShippingShips free to your job site, farm, or fleet yard — no minimums, no fine print.
30-Day ReturnsUninstalled, original packaging — if it doesn't meet your spec or arrives damaged, we resolve it immediately.
Pre-offer Spec ReviewNot sure this is the right filter for your pump setup? Contact us before you order and we'll verify compatibility.
★★★★★
“I run three GPI EZ8 pumps across our yard. Bought filter kits for all of them after one pump started losing flow — turned out the internal vanes were scored from unfiltered fuel. These kits threaded on in minutes, cast iron adapter feels solid, and flow is back to normal. Should have put filters on from day one.”
Frequently Asked Questions
This ATI filter kit is confirmed to fit all GPI M150S and EZ8 pump models. The 3/4 in. NPT cast iron adapter threads directly into the pump inlet on both units. If you are running a different GPI model or need a different fitting size, contact Tank Vault before ordering — we verify compatibility with your specific pump to prevent a mismatch on delivery.
The included filter element is rated at 10 microns. That level of filtration catches fine particulate — rust particles, scale, silt — without restricting flow on GPI M150S and EZ8 pumps. For diesel fuel transfer in fleet and agricultural applications, 10 micron is the standard recommendation to protect pump vanes and seals from premature wear without creating excessive back pressure.
Cast iron resists thread stripping and cracking under the vibration and pressure cycling that fuel transfer pumps generate daily. Aluminum adapters are lighter but deform over time, especially in outdoor installations where temperature fluctuates. The cast iron adapter in this kit is an industrial-grade component built to handle repeated duty cycles without failure. For a pump that runs daily, cast iron is the right material choice.
This filter kit is specified and tested for GPI M150S and EZ8 pumps only. The 3/4 in. NPT thread size may physically fit other pumps with matching inlet threads, but Tank Vault only confirms compatibility for the stated models. If you need a filter kit for a different pump brand or model, contact us with your pump details — we will help you find the correct fit.
Replacement intervals depend on fuel cleanliness and transfer volume. For fleet operations refueling daily from tanks with regular turnover, inspect the filter element monthly and replace when flow restriction becomes noticeable or at least every 3 to 6 months. Operations transferring from older tanks or bulk storage with higher sediment should inspect more frequently. Replacement filter elements are available separately.
Yes. Every Tank Vault order ships with product documentation included in the package. For this filter kit, that includes installation specifications and parts identification. If your operation requires documentation for maintenance records or compliance files, the included materials cover the filter rating, fitting specifications, and compatible pump models. No need to chase the manufacturer after delivery.
The Tank Vault Promise
Every order backed by accountability — not excuses.
Free Shipping
Ships free to your job site, farm, or fleet yard — no minimums, no fine print.
30-Day Returns
Uninstalled, original packaging — if it doesn't meet your spec or arrives damaged, we resolve it immediately.
Pre-offer Spec Review
Not sure this is the right filter for your pump setup? Contact us before you order and we'll verify compatibility.
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