WIWA 0663907 3/8" Standard Flow Fluid Heater

Marsoni

M251S

$1565.50

Get it in 3 business days with 1 day shipping. Friday, May 29

WIWA 0663907 3/8" Standard Flow Fluid HeaterWIWA MATERIAL FLUID HEATER DESIGNED FOR HIGH VISCOSITY HIGH SOLIDS PRODUCTS New and additional features: Weather resistant, also in high humidity environments Flexible positioning of the heat exchanger connections Replacing the heat exchanger is simple and easy Operating voltages up to 690 V for ATEX Zone I T4 temperature classification Includes air passages to heat air for spray guns Approved to ATEX Directive 2014 34 EU Max. pressure 500 bar 7250

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Used this brand before... when refill needed, came back for more. Time release is the best way to go as it works all night. Not one big hit when you 1st go to sleep... A nice "hit"... to get you to sleep and then a slow release of the rest, to KEEP you asleep... Don't think you'll be disappointed. I use sustained release with any vitamin/supplement I take (assuming the company makes it) .. including this. It's the best way to allow your body to utilize the product.

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Reviewed in the United States on April 14, 2023

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Paul Belanger

Whiting, US

★★★★★ 5

A subtle sleep enhancer.

Melatonin, in my experience, is a very subtle drug. I took it for about a month and then stopped before I actually saw what it was doing. It allowed me to fall asleep quicker and when I woke up during the night, to fall back asleep quicker as well. No more tossing and turning. I prefer the timed release version since I tend to sleep about 4-5 hours straight and then wake up sporadically after that. I had been buying the timed release from GNC but this brand is much cheaper, more pills, and just as effective. I've also tried popping another one after that initial 4-5 stretch of sleep to further prolong sleepy time, but I don't know how effective that is. It doesn't put you to sleep, so there's no grogginess when you wake up. It just jump starts the natural process.

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Reviewed in the United States on June 21, 2017

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Lucien M.

Phoenix, US

★★★★★ 4

Time release is the best way

I like these time released tablets. Time release is surprisingly hard to find unlike the immediate release style tablets. Time release allows for a longer sleep pattern as it enters the blood stream slowly over time allowing it to stay in you system. Immediate release will hit you hard and fast but your body will metabolize within a couple of hrs leaving you without the melatonin in you system. I took off a star for being pricey, but these do work very well.

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Reviewed in the United States on October 17, 2025

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Sharon D79

Bozeman, US

★★★★★ 5

Effective,low dose melatonin

Purchased this product again.

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Reviewed in the United States on May 7, 2026

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Bill