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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
    On-Sale $1.24 List Price $2.95 As low as $1.17
    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 $1.66 List Price $2.44
    SKU: IC570-5PK
  3. Dura Poly Coupling 3/4" Barb | 1429-007
    Poly Coupling (3/4 in. Barb ) | 1429-007
    On-Sale $1.18 List Price $1.95 As low as $1.11
    HLSG SKU: INPCP007
    SKU: 1429-007
  4. 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 $2.24 List Price $5.95 As low as $2.11
    HLSG SKU: INPCP129
    SKU: 1429-129
  5. Dura Poly Coupling 1" x 1/2" Barb | 1429-130
    Poly Coupling (1 in. x 1/2 in. Barb ) | 1429-130
    On-Sale $2.17 List Price $3.95
    HLSG SKU: INPCP130
    SKU: 1429-130
  6. PVC Coupling 1/2" Barb | 1429-005
    Poly Coupling (1/2 in. Barb ) | 1429-005
    On-Sale $0.65 List Price $1.95 As low as $0.61
    HLSG SKU: INPCP005
    SKU: 1429-005
  7. Dura Poly Coupling 1" x 3/4" Barb | 1429-131
    Poly Coupling (1 in. x 3/4 in. Barb ) | 1429-131
    On-Sale $1.09 List Price $2.95
    HLSG SKU: INPCP131
    SKU: 1429-131
  8. 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 $4.66 List Price $7.95
    HLSG SKU: INPFA010
    SKU: 1435-010
  9. Dura Poly Coupling 1-1/4" Barb | 1429-012
    Poly Coupling (1-1/4 in. Barb ) | 1429-012
    On-Sale $1.20 List Price $2.95
    HLSG SKU: INPCP012
    SKU: 1429-012
  10. Dura Poly Coupling 1-1/4" x 1" Barb | 1429-168
    Poly Coupling (1-1/4 in. x 1 in. Barb ) | 1429-168
    On-Sale $1.73 List Price $4.95
    HLSG SKU: INPCP168
    SKU: 1429-168
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