---
product_id: 101566860
title: "Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black"
brand: "progress lighting"
price: "175 zł"
currency: PLN
in_stock: true
reviews_count: 3
url: https://www.desertcart.pl/products/101566860-progress-lighting-p8709-31-dark-sky-cup-that-fits-over
store_origin: PL
region: Poland
---

# Reduces light pollution Durable cast aluminum 2-7/8" diameter Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black

**Brand:** progress lighting
**Price:** 175 zł
**Availability:** ✅ In Stock

## Summary

> 🌟 Shine Bright, Stay Green!

## Quick Answers

- **What is this?** Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black by progress lighting
- **How much does it cost?** 175 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/101566860-progress-lighting-p8709-31-dark-sky-cup-that-fits-over)

## Best For

- progress lighting enthusiasts

## Why This Product

- Trusted progress lighting brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect Fit:** Engineered to fit 1-light medium base lamps facing down only.
- • **Built to Last:** Crafted from robust cast aluminum for enduring performance.
- • **Compact Design:** Measuring just 2-7/8" in diameter, it’s the perfect blend of form and function.
- • **Sleek & Stylish:** The black finish adds a modern touch to any outdoor space.
- • **Illuminate Responsibly:** Designed to minimize light pollution for a sustainable future.

## Overview

The Progress Lighting P8709-31 Dark Sky Cup is a stylish and eco-friendly solution designed to fit over 1-light medium base lamps. With a sleek black finish and durable cast aluminum construction, it effectively reduces light pollution while enhancing the aesthetic of your outdoor lighting.

## Description

Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black

## Features

- Black Finish
- Helps to reduce light pollution from exterior fixtures
- Size: 2-7/8-Inch Diameter by 3-3/8-Inch Height
- Cast Aluminum material

## Images

![Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black - Image 1](https://m.media-amazon.com/images/I/51YGalgbYML.jpg)
![Progress Lighting P8709-31 Dark Sky Cup that Fits Over the Lamp and Used with 1-Light Medium Base Lamp Facing Down Only, Black - Image 2](https://m.media-amazon.com/images/I/51iTIaf86eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Fast and easy installation
  

*by L***Z on Reviewed in the United States on July 11, 2020*

Easy 2 minute installation for retrofitting porch lighting. Complies with the International Dark Sky Association Standards.

### ⭐⭐⭐⭐⭐ 







  
  
    Stops glare and light trespass
  

*by T***Y on Reviewed in the United States on November 1, 2014*

Works perfect on porch light to prevent light pollution and glare. Easy to install. I will order more for neighbors and our other outdoor lights. I wish there were larger ones for nearby street lights!

### ⭐⭐⭐⭐⭐ 







  
  
    Five Stars
  

*by R***I on Reviewed in the United States on February 26, 2018*

Worked perfect, meet HOA requirements. Still provided plenty of light.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/101566860-progress-lighting-p8709-31-dark-sky-cup-that-fits-over](https://www.desertcart.pl/products/101566860-progress-lighting-p8709-31-dark-sky-cup-that-fits-over)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-05-01*