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Insert Couplings


Insert couplings are barb fittings used for connecting one piece of poly pipe to another for the purpose of lengthening pipe runs. Insert couplings are made of high-impact plastic and are available in multiple sizes and configurations.

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  1. Dura Poly Coupling 1" Barb | 1429-010
    Poly Coupling 1 in. Barb | 1429-010
    1 Star & Up
    On-Sale $0.95 List Price $1.95 As low as $0.90
    HLSG SKU: INPCP010
    SKU: 1429-010
  2. Insert Coupling 1/2" (.570 ID) Barb (5 ct.) | IC570-5PK
    Insert Coupling 1/2 in. (.570 ID) Barb (5 ct.) | IC570-5PK
    On-Sale $1.15 List Price $1.44
    SKU: IC570-5PK
  3. Dura Poly Coupling 1" x 1/2" Barb | 1429-130
    Poly Coupling 1 in. x 1/2 in. Barb | 1429-130
    1 Star & Up
    On-Sale $1.75 List Price $3.95 As low as $1.66
    HLSG SKU: INPCP130
    SKU: 1429-130
  4. PVC Coupling 1/2" Barb | 1429-005
    Poly Coupling 1/2 in. Barb | 1429-005
    1 Star & Up
    On-Sale $0.55 List Price $0.95 As low as $0.52
    HLSG SKU: INPCP005
    SKU: 1429-005
  5. Dura Poly Coupling 1" x 3/4" Barb | 1429-131
    Poly Coupling 1 in. x 3/4 in. Barb | 1429-131
    On-Sale $1.15 List Price $2.95 As low as $1.09
    HLSG SKU: INPCP131
    SKU: 1429-131
  6. Dura Poly Coupling 1-1/4" Barb | 1429-012
    Poly Coupling 1-1/4 in. Barb | 1429-012
    On-Sale $1.15 List Price $2.95 As low as $1.09
    HLSG SKU: INPCP012
    SKU: 1429-012
  7. Dura Poly Coupling 1-1/4" x 1" Barb | 1429-168
    Poly Coupling 1-1/4 in. x 1 in. Barb | 1429-168
    1 Star & Up
    On-Sale $1.85 List Price $4.95 As low as $1.76
    HLSG SKU: INPCP168
    SKU: 1429-168
  8. Poly Insert Spiral Barb Coupling 1 in. x 3/8 in. Insert x Spiral Barb | 1429-129
    Poly Insert Spiral Barb Coupling 1 in. x 3/8 in. Insert x Spiral Barb | 1429-129
    On-Sale $2.65 List Price $5.95
    HLSG SKU: INPCP129
    SKU: 1429-129
  9. Poly Insert Female Adapter 1 in. x 1 in. FIPT x Insert | 1435-010
    Poly Insert Female Adapter 1 in. x 1 in. FIPT x Insert | 1435-010
    On-Sale $2.28 List Price $3.91
    HLSG SKU: INPFA010
    SKU: 1435-010
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