Skip to content

Free shipping on most orders over $89!

Brands Contact Us

Country/Region

United States (USD $)

Search

Product type

All
Accessories
Air Filters

Need Help?

Call (864) 284-1801

Track Order Cart

Cart Log in Login

Menu

Systems
Replacement Filters & Cartridges
Components
Application
Water Problems
Blog
About Us
Contact Us
Clearance

Need Help?

Call (864) 284-1801

Home
Straight Fittings

Straight Fittings

Filters

Sort by:

Featured
Most relevant
Best selling

Compare

View as List Grid

FiltersFilter & Sort

Applied Filters

Clear all

Availability

In stock (2906)
Out of stock (1165)

Clear

Type

Adapters (1096)
Ball Valves (18)
Bushing Fittings (39)
Cap (End Stop) (42)
Collet Covers (11)
Copper Tubing (1)
Couplings (1839)
Fitting Cartridges (72)
Fitting Locking Clips (14)
Gaskets (3)
Kits & Tools (3)
Luer Fittings (116)
Luer Lock Rings (42)
Manifold Fittings (11)
Manifold Plates & Rails (5)
Needle Valves (3)
Nipple Fittings (57)
Nuts (24)
O-Rings (9)
Plug Fittings (84)
Reducer (79)
Shut-Off Valves (42)
Tube Insert/PEX Pipe Stiffeners (51)
Tube Sleeve (12)
U-Bend Fittings (1)

Clear

Brand

Basics (231)
Clack Corporation (10)
Colder Products (1417)
DMFit (103)
Eldon James (2)
Everpure Residential (1)
Fernco (4)
G.A. Murdock (7)
JACO Manufacturing Company (146)
John Guest (505)
Linktech (287)
Micro Plastics (1)
neoFit (519)
NewAge Industries (1)
Parker (172)
SharkBite® (40)
SHURflo (4)
Solventum (67)
T&S Brass (2)
Water Factory Systems (1)
Watts (23)
Watts AquaLock/SeaTech (131)

Clear

Fitting Connection Size

Clear

Push-In Size

Clear

Stem Size

5/32" OD (4)
3/16" OD (4)
1/4" OD (43)
5/16" OD (40)
3/8" OD (84)
1/2" OD (51)
5/8" OD (14)
3/4" OD (1)
7/8" OD (8)
1" OD (2)
1-1/8" OD (4)
4mm OD (10)
6mm OD (16)
8mm OD (24)
10mm OD (24)
12mm OD (16)
15mm OD (21)
22mm OD (20)
28mm OD (5)

Clear

Barb Size

1/16" (102)
3/32" (48)
1/8" (183)
5/32" (44)
3/16" (74)
1/4" (242)
5/16" (49)
3/8" (204)
1/2" (80)
5/8" (37)
3/4" (40)
1" (4)
1-1/8" (1)
1-1/4" (1)
1-1/2" (1)
3mm (32)
4mm (3)
5mm (1)
6mm (6)
8mm (2)
10mm (5)

Clear

Micron Rating

5 µm (Absolute) (1)

Clear

Body Material

Brass (7)
Brass-Plated Nickel (1)
Buna-N (1)
Chrome-Plated Brass (4)
EPDM (1)
FKM (Viton) (1)
Lead-Free Brass (7)
Nickel-Plated Brass (3)
Nylon (10)
Plastic (3)
Polyethylene (1)
Polypropylene (14)
Polysulfone (25)
PVDF (Kynar) (5)
Stainless Steel (1)

Clear

Seal / O-Ring Material

Buna-N (Nitrile) (964)
EPDM (915)
FKM (Viton®) (104)
Santoprene (TPV) (9)
Silicone (9)

Clear

Outer Diameter

0.3125 in (1)
0.375 in (2)

Clear

Valve Type

Non-Valved (810)
Valved (814)

Clear

Application

Bag-in-Box (3)
Central Heating (1)
Commercial-Industrial (2)
CPVC (2)
Fluids (4)
HVAC (1)
Industrial (1)
Medical Equipment (2)
Natural Gas (1)
Oil (2)
Plumbing (3)
Potable Water (1)
Reverse Osmosis (3)
Underfloor Heating (3)
Water (138)
Water Supply (2)

Clear

Color / Finish

Almond (97)
Biscuit (1)
Black (602)
Blue (54)
Brass (196)
Bronze (16)
Chrome (22)
Clear (2)
Gray (607)
Gray Overmold (1)
Green (3)
Natural (274)
Natural White (138)
Orange (5)
Purple (19)
Red (45)
Silver (211)
Stainless Steel (2)
Teal (10)
True White (3)
White (1316)
Yellow (4)

Clear

Shape

Elbow (1)
Straight (3634)

Clear

Series

Clear

Sort by:

Featured
Most relevant
Best selling

Compare

Colder Products
FitQuik BC330 White Nylon Male Bayonet Type Blood Pressure Connector 3/32 ID Barb

Regular price From $0.26

Part #: BC330

Save up to 7% with bulk pricing
Compare

Colder Products
FitQuik Tube to Tube Straight Fitting Natural Polypropylene - 1/4 ID x 1/4 ID

Regular price From $0.53

Part #: HS8

Save up to 5% with bulk pricing
Compare

Colder Products
PMC1204 Panel Mount PTF Coupling Body 1/4 PTF

Regular price From $10.30

Part #: PMC1204

Save up to 5% with bulk pricing
Compare

Sold Out

Colder Products
NS4D1700406 ABS Valved In-Line Hose Barb Coupling Body 1/4 ID Barb

Regular price From $20.94

Sold out

Part #: NS4D1700406

Save up to 5% with bulk pricing
Compare

Colder Products
PMC181032 Panel Mount Female Thread Coupling Body 10-32 UNF

Regular price From $13.99

Part #: PMC181032

Save up to 5% with bulk pricing
Compare

Basics
Union Barb Connector Natural Nylon - 3/16 x 3/16 Single Barb

5.0

Regular price $5.80

Part #: UCB-0303NN
Compare

DMFit
DMfit Straight MNPT Male - 1/2 QC x 1/2 MNPT

Regular price From $4.15

Part #: PMC0707

Save up to 18% with bulk pricing
Compare

Parker
Parker LIQUIfit Male Connector - 1/4 x 1/8 NPTF

Regular price From $1.31

Part #: 6505-56-11WP2

Save up to 5% with bulk pricing
Compare

John Guest
John Guest Black Male Connector - 1 CTS x 3/4 NPT

Regular price From $11.35

Part #: PSEI013626E

Save up to 5% with bulk pricing
Compare

Watts
Watts Marine Bronze Thru-Hull Assy With Nut - 2-1/2" NPSM

5.0

Regular price From $27.52

Low stock

Part #: 0723406

Save up to 5% with bulk pricing
Compare

Sold Out

Basics
Male Barb Connector Polypropylene - 5/8 ID Barb x 1/2 MNPT

Sale price $0.74 Regular price $0.82

Sold out

Part #: MCB-5808WP
Compare

Parker
Garden Hose Swivel Hose Barb Stem Connector Nylon - 1/2 ID Barb

Regular price $0.52

Part #: GHSVB-08B-N
Compare

neoFit
FeMale Adaptor Acetal 1/4 qc x 1/2 MNPT

Regular price From $1.99

Part #: AFA-48

Save up to 5% with bulk pricing
Compare

Basics
Brass Compression Female Connector 3/8 Compression x 1/2 FPT

Regular price From $2.76

Part #: BCFA8-N4-LF

Save up to 25% with bulk pricing
Compare

Parker
Parker Prestolok Lead-Free Brass Fitting Female Flare - 3/8 QC x 3/8 FFL

Regular price From $16.52

Low stock

Part #: L66PLNF-6-6

Save up to 5% with bulk pricing
Compare

neoFit
NeoFit - Acetal Grey Male Plug 3/8" plug

Regular price From $0.74

Part #: APL6-G

Save up to 18% with bulk pricing
Compare

Sold Out

Colder Products
LM6130 Luer Fitting White Nylon Male Luer X 3/16 HB

Regular price From $0.35

Sold out

Part #: LM6130

Save up to 5% with bulk pricing
Compare

Colder Products
PMLF4170 Luer Fitting Natural PVDF Panel Mount Female Luer x 1/8 HB

Regular price From $0.76

Part #: PMLF4170

Save up to 5% with bulk pricing
Compare

Parker
Parker LIQUIfit Reducer - 5/16 x 3/8 Stem

Regular price From $4.26

Part #: 6366-08-60WP2

Save up to 5% with bulk pricing
Compare

John Guest
John Guest Shut-Off Valve Female NPTF Black Polypropylene - 3/8 Tube x 3/8 NPTF Female

Regular price From $8.03

Part #: PPSV451223E

Save up to 7% with bulk pricing
Compare

Parker
Garden Hose Nut - Nylon

Regular price $1.85

Part #: GHNUT-N
Compare

Watts AquaLock/SeaTech
Watts AquaLock/SeaTech - O-ring Assembly - 3/8 CTS

Regular price From $1.19

Part #: 35159-08

Save up to 5% with bulk pricing
Compare

Linktech
LinkTech 20AC Series Straight Female, Non-valved, 1/4" HB, Natural Acetal

Regular price From $3.69

Backordered

Part #: 20AC-S2-04

Save up to 15% with bulk pricing
Compare

Colder Products
Colder 64900 5/8 Hose Barb Valved In-Line Coupling Body (HFCD171012 NSF)

Regular price From $17.60

Part #: 64900

Save up to 51% with bulk pricing
Compare

Parker
Parker TrueSeal Push in Tube Fitting - 1/4 OD - 1/4 OD - FB4MC4-HBLK

Regular price From $1.74

Part #: FB4MC4-HBLK

Save up to 5% with bulk pricing
Compare

John Guest
John Guest White Reducing Coupler - 1/2" CTS x 3/4 CTS

Regular price From $5.20

Part #: PEI202820

Save up to 5% with bulk pricing
Compare

Colder Products
80500 NSF Valved Panel Mount Hose Barb Coupling Body 3/4 ID Barb

Regular price From $22.35

Part #: 80500

Save up to 5% with bulk pricing

Showing 1431 of 3674

Want to learn more?

Your cart

Your cart is empty

Subtotal:$0.00 USD

Loading...

M - F 8:00am to 7:00pm EST

Call: (864) 284-1801

Toll Free: (877) 930-7295

2299 Ridge Road Greenville, SC 29607

3195 W Professional Circle Suite 200 - Salt Lake City, UT 84104

Facebook
YouTube
Instagram
LinkedIn

Shop

Water Filtration & Treatment Systems
Pumps & Motors
Fittings & Valves
Filter Housings & Components
Filters & Media
Tubing & Hoses
Food & Beverage Filtration Systems
Clearance
Parts & Accessories
Under-Sink & Countertop Water Filters
Brands
View All Categories

Help

Track My Order
Get a Quote
Shipping
Bulk Pricing
Returns
Contact Us

Info

About Us
neo™ Brand
Cleanroom Facility
Blog
Careers
Local Pickup
Industries
Certifications & Quality Standards
FAQ's

Payment methods accepted

Country/Region

United States (USD $)

© 2026 Fresh Water Systems - All Rights Reserved

Terms and Conditions
Privacy Policy
Accessibility

Compare /3

Loading...

Loading...

Choose options

Item added to your cart.

View cart