Straight Connector Drip Irrigation Accessories Plant Watering with Tap Joiner regulator Flow Adjustor. Connect to a new length of pipe or for multipurpose use, such as gardening, where the pipe has been broken. The connectors are stronger and of higher quality, and they are also heat, chemical, and wear-resistant. This irrigation fitting connectors helps to build a maintenance-free irrigation system, it is ideal to be applied for garden, greenhouse, vegetable gardens, flower bed, vineyards, forest gardens, patio and other agricultural watering system.